[Gluster-users] [ovirt-users] Re: Announcing Gluster release 5.5

Olaf Buitelaar olaf.buitelaar at gmail.com
Tue Apr 2 15:48:07 UTC 2019


Dear Krutika,

1.
I've changed the volume settings, write performance seems to increased
somewhat, however the profile doesn't really support that since latencies
increased. However read performance has diminished, which does seem to be
supported by the profile runs (attached).
Also the IO does seem to behave more consistent than before.
I don't really understand the idea behind them, maybe you can explain why
these suggestions are good?
These settings seems to avoid as much local caching and access as possible
and push everything to the gluster processes. While i would expect local
access and local caches are a good thing, since it would lead to having
less network access or disk access.
I tried to investigate these settings a bit more, and this is what i
understood of them;
- network.remote-dio; when on it seems to ignore the O_DIRECT flag in the
client, thus causing the files to be cached and buffered in the page cache
on the client, i would expect this to be a good thing especially if the
server process would access the same page cache?
At least that is what grasp from this commit;
https://review.gluster.org/#/c/glusterfs/+/4206/2/xlators/protocol/client/src/client.c
line
867
Also found this commit;
https://github.com/gluster/glusterfs/commit/06c4ba589102bf92c58cd9fba5c60064bc7a504e#diff-938709e499b4383c3ed33c3979b9080c
suggesting
remote-dio actually improves performance, not sure it's a write or read
benchmark
When a file is opened with O_DIRECT it will also disable the write-behind
functionality

- performance.strict-o-direct: when on, the AFR, will not ignore the
O_DIRECT flag. and will invoke: fop_writev_stub with the wb_writev_helper,
which seems to stack the operation, no idea why that is. But generally i
suppose not ignoring the O_DIRECT flag in the AFR is a good thing, when a
processes requests to have O_DIRECT. So this makes sense to me.

- cluster.choose-local: when off, it doesn't prefer the local node, but
would always choose a brick. Since it's a 9 node cluster, with 3
subvolumes, only a 1/3 could end-up local, and the other 2/3 should be
pushed to external nodes anyway. Or am I making the total wrong assumption
here?

It seems to this config is moving to the gluster-block config side of
things, which does make sense.
Since we're running quite some mysql instances, which opens the files with
O_DIRECt i believe, it would mean the only layer of cache is within mysql
it self. Which you could argue is a good thing. But i would expect a little
of write-behind buffer, and maybe some of the data cached within gluster
would alleviate things a bit on gluster's side. But i wouldn't know if
that's the correct mind set, and so might be totally off here.
Also i would expect these gluster v set <VOL> command to be online
operations, but somehow the bricks went down, after applying these changes.
What appears to have happened is that after the update the brick process
was restarted, but due to multiple brick process start issue, multiple
processes were started, and the brick didn't came online again.
However i'll try to reproduce this, since i would like to test with
cluster.choose-local: on, and see how performance compares. And hopefully
when it occurs collect some useful info.
Question; are network.remote-dio and performance.strict-o-direct mutually
exclusive settings, or can they both be on?

2. I've attached all brick logs, the only thing relevant i found was;
[2019-03-28 20:20:07.170452] I [MSGID: 113030]
[posix-entry-ops.c:1146:posix_unlink] 0-ovirt-kube-posix:
open-fd-key-status: 0 for
/data/gfs/bricks/brick1/ovirt-kube/.shard/a38d64bc-a28b-4ee1-a0bb-f919e7a1022c.109886
[2019-03-28 20:20:07.170491] I [MSGID: 113031]
[posix-entry-ops.c:1053:posix_skip_non_linkto_unlink] 0-posix: linkto_xattr
status: 0 for
/data/gfs/bricks/brick1/ovirt-kube/.shard/a38d64bc-a28b-4ee1-a0bb-f919e7a1022c.109886
[2019-03-28 20:20:07.248480] I [MSGID: 113030]
[posix-entry-ops.c:1146:posix_unlink] 0-ovirt-kube-posix:
open-fd-key-status: 0 for
/data/gfs/bricks/brick1/ovirt-kube/.shard/a38d64bc-a28b-4ee1-a0bb-f919e7a1022c.109886
[2019-03-28 20:20:07.248491] I [MSGID: 113031]
[posix-entry-ops.c:1053:posix_skip_non_linkto_unlink] 0-posix: linkto_xattr
status: 0 for
/data/gfs/bricks/brick1/ovirt-kube/.shard/a38d64bc-a28b-4ee1-a0bb-f919e7a1022c.109886

Thanks Olaf

ps. sorry needed to resend since it exceed the file limit

Op ma 1 apr. 2019 om 07:56 schreef Krutika Dhananjay <kdhananj at redhat.com>:

> Adding back gluster-users
> Comments inline ...
>
> On Fri, Mar 29, 2019 at 8:11 PM Olaf Buitelaar <olaf.buitelaar at gmail.com>
> wrote:
>
>> Dear Krutika,
>>
>>
>>
>> 1. I’ve made 2 profile runs of around 10 minutes (see files
>> profile_data.txt and profile_data2.txt). Looking at it, most time seems be
>> spent at the  fop’s fsync and readdirp.
>>
>> Unfortunate I don’t have the profile info for the 3.12.15 version so it’s
>> a bit hard to compare.
>>
>> One additional thing I do notice on 1 machine (10.32.9.5) the iowait time
>> increased a lot, from an average below the 1% it’s now around the 12% after
>> the upgrade.
>>
>> So first suspicion with be lighting strikes twice, and I’ve also just now
>> a bad disk, but that doesn’t appear to be the case, since all smart status
>> report ok.
>>
>> Also dd shows performance I would more or less expect;
>>
>> dd if=/dev/zero of=/data/test_file  bs=100M count=1  oflag=dsync
>>
>> 1+0 records in
>>
>> 1+0 records out
>>
>> 104857600 bytes (105 MB) copied, 0.686088 s, 153 MB/s
>>
>> dd if=/dev/zero of=/data/test_file  bs=1G count=1  oflag=dsync
>>
>> 1+0 records in
>>
>> 1+0 records out
>>
>> 1073741824 bytes (1.1 GB) copied, 7.61138 s, 141 MB/s
>>
>> if=/dev/urandom of=/data/test_file  bs=1024 count=1000000
>>
>> 1000000+0 records in
>>
>> 1000000+0 records out
>>
>> 1024000000 bytes (1.0 GB) copied, 6.35051 s, 161 MB/s
>>
>> dd if=/dev/zero of=/data/test_file  bs=1024 count=1000000
>>
>> 1000000+0 records in
>>
>> 1000000+0 records out
>>
>> 1024000000 bytes (1.0 GB) copied, 1.6899 s, 606 MB/s
>>
>> When I disable this brick (service glusterd stop; pkill glusterfsd)
>> performance in gluster is better, but not on par with what it was. Also the
>> cpu usages on the “neighbor” nodes which hosts the other bricks in the same
>> subvolume increases quite a lot in this case, which I wouldn’t expect
>> actually since they shouldn't handle much more work, except flagging shards
>> to heal. Iowait  also goes to idle once gluster is stopped, so it’s for
>> sure gluster which waits for io.
>>
>>
>>
>
> So I see that FSYNC %-latency is on the higher side. And I also noticed
> you don't have direct-io options enabled on the volume.
> Could you set the following options on the volume -
> # gluster volume set <VOLNAME> network.remote-dio off
> # gluster volume set <VOLNAME> performance.strict-o-direct on
> and also disable choose-local
> # gluster volume set <VOLNAME> cluster.choose-local off
>
> let me know if this helps.
>
> 2. I’ve attached the mnt log and volume info, but I couldn’t find anything
>> relevant in in those logs. I think this is because we run the VM’s with
>> libgfapi;
>>
>> [root at ovirt-host-01 ~]# engine-config  -g LibgfApiSupported
>>
>> LibgfApiSupported: true version: 4.2
>>
>> LibgfApiSupported: true version: 4.1
>>
>> LibgfApiSupported: true version: 4.3
>>
>> And I can confirm the qemu process is invoked with the gluster:// address
>> for the images.
>>
>> The message is logged in the /var/lib/libvert/qemu/<machine>  file, which
>> I’ve also included. For a sample case see around; 2019-03-28 20:20:07
>>
>> Which has the error; E [MSGID: 133010]
>> [shard.c:2294:shard_common_lookup_shards_cbk] 0-ovirt-kube-shard: Lookup on
>> shard 109886 failed. Base file gfid = a38d64bc-a28b-4ee1-a0bb-f919e7a1022c
>> [Stale file handle]
>>
>
> Could you also attach the brick logs for this volume?
>
>
>>
>> 3. yes I see multiple instances for the same brick directory, like;
>>
>> /usr/sbin/glusterfsd -s 10.32.9.6 --volfile-id
>> ovirt-core.10.32.9.6.data-gfs-bricks-brick1-ovirt-core -p
>> /var/run/gluster/vols/ovirt-core/10.32.9.6-data-gfs-bricks-brick1-ovirt-core.pid
>> -S /var/run/gluster/452591c9165945d9.socket --brick-name
>> /data/gfs/bricks/brick1/ovirt-core -l
>> /var/log/glusterfs/bricks/data-gfs-bricks-brick1-ovirt-core.log
>> --xlator-option *-posix.glusterd-uuid=fb513da6-f3bd-4571-b8a2-db5efaf60cc1
>> --process-name brick --brick-port 49154 --xlator-option
>> ovirt-core-server.listen-port=49154
>>
>>
>>
>> I’ve made an export of the output of ps from the time I observed these
>> multiple processes.
>>
>> In addition the brick_mux bug as noted by Atin. I might also have another
>> possible cause, as ovirt moves nodes from none-operational state or
>> maintenance state to active/activating, it also seems to restart gluster,
>> however I don’t have direct proof for this theory.
>>
>>
>>
>
> +Atin Mukherjee <amukherj at redhat.com> ^^
> +Mohit Agrawal <moagrawa at redhat.com>  ^^
>
> -Krutika
>
> Thanks Olaf
>>
>> Op vr 29 mrt. 2019 om 10:03 schreef Sandro Bonazzola <sbonazzo at redhat.com
>> >:
>>
>>>
>>>
>>> Il giorno gio 28 mar 2019 alle ore 17:48 <olaf.buitelaar at gmail.com> ha
>>> scritto:
>>>
>>>> Dear All,
>>>>
>>>> I wanted to share my experience upgrading from 4.2.8 to 4.3.1. While
>>>> previous upgrades from 4.1 to 4.2 etc. went rather smooth, this one was a
>>>> different experience. After first trying a test upgrade on a 3 node setup,
>>>> which went fine. i headed to upgrade the 9 node production platform,
>>>> unaware of the backward compatibility issues between gluster 3.12.15 ->
>>>> 5.3. After upgrading 2 nodes, the HA engine stopped and wouldn't start.
>>>> Vdsm wasn't able to mount the engine storage domain, since /dom_md/metadata
>>>> was missing or couldn't be accessed. Restoring this file by getting a good
>>>> copy of the underlying bricks, removing the file from the underlying bricks
>>>> where the file was 0 bytes and mark with the stickybit, and the
>>>> corresponding gfid's. Removing the file from the mount point, and copying
>>>> back the file on the mount point. Manually mounting the engine domain,  and
>>>> manually creating the corresponding symbolic links in /rhev/data-center and
>>>> /var/run/vdsm/storage and fixing the ownership back to vdsm.kvm (which was
>>>> root.root), i was able to start the HA engine again. Since the engine was
>>>> up again, and things seemed rather unstable i decided to continue the
>>>> upgrade on the other nodes suspecting an incompatibility in gluster
>>>> versions, i thought would be best to have them all on the same version
>>>> rather soonish. However things went from bad to worse, the engine stopped
>>>> again, and all vm’s stopped working as well.  So on a machine outside the
>>>> setup and restored a backup of the engine taken from version 4.2.8 just
>>>> before the upgrade. With this engine I was at least able to start some vm’s
>>>> again, and finalize the upgrade. Once the upgraded, things didn’t stabilize
>>>> and also lose 2 vm’s during the process due to image corruption. After
>>>> figuring out gluster 5.3 had quite some issues I was as lucky to see
>>>> gluster 5.5 was about to be released, on the moment the RPM’s were
>>>> available I’ve installed those. This helped a lot in terms of stability,
>>>> for which I’m very grateful! However the performance is unfortunate
>>>> terrible, it’s about 15% of what the performance was running gluster
>>>> 3.12.15. It’s strange since a simple dd shows ok performance, but our
>>>> actual workload doesn’t. While I would expect the performance to be better,
>>>> due to all improvements made since gluster version 3.12. Does anybody share
>>>> the same experience?
>>>> I really hope gluster 6 will soon be tested with ovirt and released,
>>>> and things start to perform and stabilize again..like the good old days. Of
>>>> course when I can do anything, I’m happy to help.
>>>>
>>>
>>> Opened https://bugzilla.redhat.com/show_bug.cgi?id=1693998 to track the
>>> rebase on Gluster 6.
>>>
>>>
>>>
>>>>
>>>> I think the following short list of issues we have after the migration;
>>>> Gluster 5.5;
>>>> -       Poor performance for our workload (mostly write dependent)
>>>> -       VM’s randomly pause on unknown storage errors, which are “stale
>>>> file’s”. corresponding log; Lookup on shard 797 failed. Base file gfid =
>>>> 8a27b91a-ff02-42dc-bd4c-caa019424de8 [Stale file handle]
>>>> -       Some files are listed twice in a directory (probably related
>>>> the stale file issue?)
>>>> Example;
>>>> ls -la
>>>> /rhev/data-center/59cd53a9-0003-02d7-00eb-0000000001e3/313f5d25-76af-4ecd-9a20-82a2fe815a3c/images/4add6751-3731-4bbd-ae94-aaeed12ea450/
>>>> total 3081
>>>> drwxr-x---.  2 vdsm kvm    4096 Mar 18 11:34 .
>>>> drwxr-xr-x. 13 vdsm kvm    4096 Mar 19 09:42 ..
>>>> -rw-rw----.  1 vdsm kvm 1048576 Mar 28 12:55
>>>> 1a7cf259-6b29-421d-9688-b25dfaafb13c
>>>> -rw-rw----.  1 vdsm kvm 1048576 Mar 28 12:55
>>>> 1a7cf259-6b29-421d-9688-b25dfaafb13c
>>>> -rw-rw----.  1 vdsm kvm 1048576 Jan 27  2018
>>>> 1a7cf259-6b29-421d-9688-b25dfaafb13c.lease
>>>> -rw-r--r--.  1 vdsm kvm     290 Jan 27  2018
>>>> 1a7cf259-6b29-421d-9688-b25dfaafb13c.meta
>>>> -rw-r--r--.  1 vdsm kvm     290 Jan 27  2018
>>>> 1a7cf259-6b29-421d-9688-b25dfaafb13c.meta
>>>>
>>>> - brick processes sometimes starts multiple times. Sometimes I’ve 5
>>>> brick processes for a single volume. Killing all glusterfsd’s for the
>>>> volume on the machine and running gluster v start <vol> force usually just
>>>> starts one after the event, from then on things look all right.
>>>>
>>>>
>>> May I kindly ask to open bugs on Gluster for above issues at
>>> https://bugzilla.redhat.com/enter_bug.cgi?product=GlusterFS ?
>>> Sahina?
>>>
>>>
>>>> Ovirt 4.3.2.1-1.el7
>>>> -       All vms images ownership are changed to root.root after the vm
>>>> is shutdown, probably related to;
>>>> https://bugzilla.redhat.com/show_bug.cgi?id=1666795 but not only
>>>> scoped to the HA engine. I’m still in compatibility mode 4.2 for the
>>>> cluster and for the vm’s, but upgraded to version ovirt 4.3.2
>>>>
>>>
>>> Ryan?
>>>
>>>
>>>> -       The network provider is set to ovn, which is fine..actually
>>>> cool, only the “ovs-vswitchd” is a CPU hog, and utilizes 100%
>>>>
>>>
>>> Miguel? Dominik?
>>>
>>>
>>>> -       It seems on all nodes vdsm tries to get the the stats for the
>>>> HA engine, which is filling the logs with (not sure if this is new);
>>>> [api.virt] FINISH getStats return={'status': {'message': "Virtual
>>>> machine does not exist: {'vmId': u'20d69acd-edfd-4aeb-a2ae-49e9c121b7e9'}",
>>>> 'code': 1}} from=::1,59290, vmId=20d69acd-edfd-4aeb-a2ae-49e9c121b7e9
>>>> (api:54)
>>>>
>>>
>>> Simone?
>>>
>>>
>>>> -       It seems the package os_brick [root] managedvolume not
>>>> supported: Managed Volume Not Supported. Missing package os-brick.:
>>>> ('Cannot import os_brick',) (caps:149)  which fills the vdsm.log, but for
>>>> this I also saw another message, so I suspect this will already be resolved
>>>> shortly
>>>> -       The machine I used to run the backup HA engine, doesn’t want to
>>>> get removed from the hosted-engine –vm-status, not even after running;
>>>> hosted-engine --clean-metadata --host-id=10 --force-clean or hosted-engine
>>>> --clean-metadata --force-clean from the machine itself.
>>>>
>>>
>>> Simone?
>>>
>>>
>>>>
>>>> Think that's about it.
>>>>
>>>> Don’t get me wrong, I don’t want to rant, I just wanted to share my
>>>> experience and see where things can made better.
>>>>
>>>
>>> If not already done, can you please open bugs for above issues at
>>> https://bugzilla.redhat.com/enter_bug.cgi?classification=oVirt ?
>>>
>>>
>>>>
>>>>
>>>> Best Olaf
>>>> _______________________________________________
>>>> Users mailing list -- users at ovirt.org
>>>> To unsubscribe send an email to users-leave at ovirt.org
>>>> Privacy Statement: https://www.ovirt.org/site/privacy-policy/
>>>> oVirt Code of Conduct:
>>>> https://www.ovirt.org/community/about/community-guidelines/
>>>> List Archives:
>>>> https://lists.ovirt.org/archives/list/users@ovirt.org/message/3CO35Q7VZMWNHS4LPUJNO7S47MGLSKS5/
>>>>
>>>
>>>
>>> --
>>>
>>> SANDRO BONAZZOLA
>>>
>>> MANAGER, SOFTWARE ENGINEERING, EMEA R&D RHV
>>>
>>> Red Hat EMEA <https://www.redhat.com/>
>>>
>>> sbonazzo at redhat.com
>>> <https://red.ht/sig>
>>>
>> _______________________________________________
>> Users mailing list -- users at ovirt.org
>> To unsubscribe send an email to users-leave at ovirt.org
>> Privacy Statement: https://www.ovirt.org/site/privacy-policy/
>> oVirt Code of Conduct:
>> https://www.ovirt.org/community/about/community-guidelines/
>> List Archives:
>> https://lists.ovirt.org/archives/list/users@ovirt.org/message/HAGTA64LF7LLE6YMHQ6DLT26MD2GZ2PK/
>>
>
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Brick: 10.32.9.9:/data0/gfs/bricks/brick1/ovirt-data
----------------------------------------------------
Cumulative Stats:
   Block Size:                256b+                 512b+                1024b+ 
 No. of Reads:                   11                   200                     9 
No. of Writes:                    2                 31538                326701 
 
   Block Size:               2048b+                4096b+                8192b+ 
 No. of Reads:                   22                319528                527228 
No. of Writes:                53880               1409021               1140345 
 
   Block Size:              16384b+               32768b+               65536b+ 
 No. of Reads:                27747                  3229                120201 
No. of Writes:               479690                114939                144204 
 
   Block Size:             131072b+              262144b+              524288b+ 
 No. of Reads:               209766                  7725                    43 
No. of Writes:               105320                165416                  8915 
 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us              2      FORGET
      0.00       0.00 us       0.00 us       0.00 us           6728     RELEASE
      0.00       0.00 us       0.00 us       0.00 us          42179  RELEASEDIR
      0.01      44.17 us       1.07 us    1288.76 us           2914     OPENDIR
      0.02     697.13 us      42.15 us    5689.21 us            322        OPEN
      0.02     411.08 us       8.60 us    5405.25 us            606    GETXATTR
      0.02    1209.66 us     147.78 us    3219.56 us            234    READDIRP
      0.03      38.80 us      19.08 us    7544.91 us           7757      STATFS
      0.04     826.28 us      13.79 us    3583.18 us            616     READDIR
      0.07      61.83 us      15.94 us  131142.59 us          13989       FSTAT
      2.03     137.78 us      48.36 us  235353.97 us         172712    FXATTROP
      2.16     983.89 us      10.19 us  660025.30 us          25674      LOOKUP
      2.90     406.99 us      36.68 us  756289.17 us          83397       FSYNC
      4.63   67941.30 us      13.93 us 1840271.15 us            798     INODELK
      7.81     576.74 us      75.16 us  422586.52 us         158680       WRITE
     40.09    2713.33 us      11.70 us 1850709.72 us         173111    FINODELK
     40.16    3587.78 us      72.64 us  729965.74 us         131143        READ
 
    Duration: 58768 seconds
   Data Read: 45226370705 bytes
Data Written: 133611506006 bytes
 
Interval 9 Stats:
   Block Size:                512b+                1024b+                2048b+ 
 No. of Reads:                    0                     0                     0 
No. of Writes:                  394                   387                    86 
 
   Block Size:               4096b+                8192b+               16384b+ 
 No. of Reads:                  141                  1093                    13 
No. of Writes:                 5905                 10055                  2308 
 
   Block Size:              32768b+               65536b+              131072b+ 
 No. of Reads:                   15                   515                  2595 
No. of Writes:                  763                  1465                  1637 
 
   Block Size:             262144b+              524288b+ 
 No. of Reads:                    2                     0 
No. of Writes:                 2759                    73 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us             70     RELEASE
      0.00       0.00 us       0.00 us       0.00 us            503  RELEASEDIR
      0.00     172.94 us      46.56 us     620.23 us             70        OPEN
      0.01     153.42 us      11.38 us     855.47 us            111    GETXATTR
      0.01      49.63 us       1.23 us    1288.76 us            503     OPENDIR
      0.01     434.10 us      27.72 us    2015.25 us             88     READDIR
      0.02    1208.37 us     152.54 us    2434.77 us             46    READDIRP
      0.02      43.13 us      20.02 us    2030.66 us           1361      STATFS
      0.04      45.66 us      18.57 us     284.28 us           2431       FSTAT
      1.20     154.41 us      75.97 us   84525.06 us          23005    FXATTROP
      2.86    1865.08 us      14.26 us  212498.60 us           4518      LOOKUP
      3.78    1006.27 us      38.86 us  756289.17 us          11072       FSYNC
      4.27   60261.87 us      17.32 us 1437527.90 us            209     INODELK
      8.19     935.38 us      76.82 us  422586.52 us          25832       WRITE
     20.67   13949.32 us      89.67 us  707765.19 us           4374        READ
     58.93    7494.13 us      12.88 us 1607033.18 us          23206    FINODELK
 
    Duration: 740 seconds
   Data Read: 385507328 bytes
Data Written: 1776420864 bytes
 
Brick: 10.32.9.5:/data/gfs/bricks/brick1/ovirt-data
---------------------------------------------------
Cumulative Stats:
   Block Size:                256b+                 512b+                1024b+ 
 No. of Reads:                    2                   458                    87 
No. of Writes:                    3                  4507                 33740 
 
   Block Size:               2048b+                4096b+                8192b+ 
 No. of Reads:                   54                 34013                110867 
No. of Writes:                 6056                341153                234627 
 
   Block Size:              16384b+               32768b+               65536b+ 
 No. of Reads:                 7430                   587                 28255 
No. of Writes:                70451                 12767                 34177 
 
   Block Size:             131072b+              262144b+              524288b+ 
 No. of Reads:                 2417                  6164                    15 
No. of Writes:                40925                 27615                  4342 
 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us              2      FORGET
      0.00       0.00 us       0.00 us       0.00 us          49432     RELEASE
      0.00       0.00 us       0.00 us       0.00 us          40899  RELEASEDIR
      0.00     158.97 us     158.97 us     158.97 us              1       MKNOD
      0.00     393.70 us       9.69 us    2344.17 us              8     ENTRYLK
      0.00     129.60 us      10.54 us     296.61 us            112     READDIR
      0.00    1299.61 us       6.43 us  155911.98 us            125    GETXATTR
      0.00    3928.24 us     139.26 us  240788.91 us            236    READDIRP
      0.03    3784.28 us      15.61 us  469284.63 us           1686       FSTAT
      0.04    2368.24 us      28.06 us  242169.67 us           3623        OPEN
      0.05    2811.93 us       8.13 us 1250845.84 us           3381       FLUSH
      0.06    4385.28 us       0.80 us  527903.92 us           2653     OPENDIR
      0.09    2315.69 us      11.48 us  816339.95 us           7750      STATFS
      0.18   55337.88 us       8.34 us 1543417.83 us            648     INODELK
      0.37    1462.23 us       6.84 us 1127299.99 us          49902    FINODELK
      0.57    3924.78 us      11.60 us  968588.21 us          28256      LOOKUP
      1.91    7500.40 us      53.88 us 2738720.92 us          49870    FXATTROP
      2.21   30153.49 us      63.31 us 3473303.89 us          14319        READ
     14.57  110289.45 us     122.19 us 3055911.44 us          25864       FSYNC
     79.91  262383.20 us      98.78 us 4500846.60 us          59632       WRITE
 
    Duration: 60363 seconds
   Data Read: 6417030998 bytes
Data Written: 27570997546 bytes
 
Interval 9 Stats:
   Block Size:                512b+                1024b+                2048b+ 
 No. of Reads:                    0                     0                     0 
No. of Writes:                   59                  2334                   441 
 
   Block Size:               4096b+                8192b+               16384b+ 
 No. of Reads:                   13                   331                     7 
No. of Writes:                 4519                  1752                   790 
 
   Block Size:              32768b+               65536b+              131072b+ 
 No. of Reads:                    0                   145                     0 
No. of Writes:                   84                   399                   151 
 
   Block Size:             262144b+              524288b+ 
 No. of Reads:                    0                     0 
No. of Writes:                  214                    31 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us            615     RELEASE
      0.00       0.00 us       0.00 us       0.00 us            467  RELEASEDIR
      0.00      45.52 us       8.46 us      78.57 us             25    GETXATTR
      0.00     144.98 us      13.50 us     296.61 us             16     READDIR
      0.01    7894.70 us     180.57 us  240788.91 us             46    READDIRP
      0.03    1404.57 us       1.00 us   94678.96 us            467     OPENDIR
      0.06    4985.90 us      17.46 us  403210.36 us            294       FSTAT
      0.06    2453.17 us      35.05 us  242169.67 us            615        OPEN
      0.10    3976.83 us       9.70 us 1250845.84 us            591       FLUSH
      0.10   33579.24 us      10.59 us  937670.52 us             73     INODELK
      0.12    2132.57 us      14.22 us  816339.95 us           1361      STATFS
      0.29     617.29 us       8.19 us  164742.40 us          11477    FINODELK
      0.69    3379.94 us      17.79 us  622513.08 us           5053      LOOKUP
      0.84   42003.14 us     160.61 us 1495939.39 us            496        READ
      1.66    3575.85 us      68.64 us 1688509.25 us          11476    FXATTROP
     22.52   95429.52 us     126.22 us 3055911.44 us           5823       FSYNC
     73.52  168379.58 us     110.01 us 4058537.96 us          10773       WRITE
 
    Duration: 740 seconds
   Data Read: 12386304 bytes
Data Written: 217700864 bytes
 
Brick: 10.32.9.6:/data/gfs/bricks/bricka/ovirt-data
---------------------------------------------------
Cumulative Stats:
   Block Size:                  1b+ 
 No. of Reads:                    0 
No. of Writes:               789986 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us              2      FORGET
      0.00       0.00 us       0.00 us       0.00 us          49432     RELEASE
      0.00       0.00 us       0.00 us       0.00 us          40938  RELEASEDIR
      0.00      21.03 us      16.15 us      34.88 us              8     ENTRYLK
      0.00     270.94 us     270.94 us     270.94 us              1       MKNOD
      0.01     261.74 us      11.55 us    9174.66 us            116    GETXATTR
      0.01     297.48 us      13.73 us    2466.13 us            112     READDIR
      0.07      64.73 us      15.29 us    4946.30 us           3382       FLUSH
      0.07      82.72 us       1.51 us    4642.85 us           2661     OPENDIR
      0.22     193.05 us      39.92 us   64374.98 us           3624        OPEN
      0.25    1255.82 us      14.35 us   63381.45 us            648     INODELK
      0.89      57.44 us      10.33 us    8940.33 us          50009    FINODELK
      1.44      77.62 us      15.84 us   31914.28 us          59679       WRITE
      2.59     294.62 us      15.52 us  115626.36 us          28267      LOOKUP
      3.49     224.71 us      77.62 us   98174.30 us          49948    FXATTROP
     90.95   11273.35 us      78.67 us  453079.55 us          25908       FSYNC
 
    Duration: 60366 seconds
   Data Read: 0 bytes
Data Written: 789986 bytes
 
Interval 9 Stats:
   Block Size:                  1b+ 
 No. of Reads:                    0 
No. of Writes:                10774 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us            615     RELEASE
      0.00       0.00 us       0.00 us       0.00 us            467  RELEASEDIR
      0.00      85.11 us      12.25 us     434.77 us             14    GETXATTR
      0.00      42.29 us      17.37 us     500.84 us             73     INODELK
      0.00     205.10 us      15.46 us     509.24 us             16     READDIR
      0.04      57.10 us      15.29 us    1829.07 us            591       FLUSH
      0.05      79.87 us       1.78 us    1854.43 us            467     OPENDIR
      0.11     144.84 us      45.31 us   17419.60 us            615        OPEN
      0.79      55.64 us      13.17 us    8940.33 us          11478    FINODELK
      0.93      69.84 us      16.64 us    6779.39 us          10774       WRITE
      1.79     286.71 us      16.91 us   24721.64 us           5053      LOOKUP
      3.09     218.15 us      81.40 us   54774.50 us          11476    FXATTROP
     93.19   12944.68 us     111.22 us  453079.55 us           5825       FSYNC
 
    Duration: 740 seconds
   Data Read: 0 bytes
Data Written: 10774 bytes
 
Brick: 10.32.9.4:/data/gfs/bricks/brick1/ovirt-data
---------------------------------------------------
Cumulative Stats:
   Block Size:                256b+                 512b+                1024b+ 
 No. of Reads:                52412                     6                     0 
No. of Writes:                    3                  4504                 33731 
 
   Block Size:               2048b+                4096b+                8192b+ 
 No. of Reads:                    0                 66342                 53000 
No. of Writes:                 6056                340041                234374 
 
   Block Size:              16384b+               32768b+               65536b+ 
 No. of Reads:                 2686                   356                 12946 
No. of Writes:                70264                 12678                 34177 
 
   Block Size:             131072b+              262144b+              524288b+ 
 No. of Reads:                  602                  3108                     3 
No. of Writes:                20547                 27615                  4342 
 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us              2      FORGET
      0.00       0.00 us       0.00 us       0.00 us          49333     RELEASE
      0.00       0.00 us       0.00 us       0.00 us          40379  RELEASEDIR
      0.00      22.96 us      15.97 us      51.06 us              8     ENTRYLK
      0.00     260.50 us     260.50 us     260.50 us              1       MKNOD
      0.00      77.42 us      16.00 us    2701.10 us            648     INODELK
      0.00     144.50 us       7.61 us    1702.83 us            428    GETXATTR
      0.01     285.11 us      12.41 us    3140.45 us            406     READDIR
      0.01      51.02 us      13.08 us   46431.20 us           3384       FLUSH
      0.01      65.58 us       0.94 us   17715.27 us           2808     OPENDIR
      0.01      80.40 us      11.70 us   19019.90 us           2445        STAT
      0.03     118.76 us      40.23 us   33323.48 us           3626        OPEN
      0.03      57.81 us      15.15 us   27740.94 us           7757      STATFS
      0.04     197.89 us     119.38 us   17249.34 us           2481    READDIRP
      0.36      99.03 us      11.12 us  301165.99 us          49989    FINODELK
      1.08     526.62 us      13.29 us  263413.97 us          28422      LOOKUP
      1.23     341.69 us      71.48 us  563688.45 us          49950    FXATTROP
      7.47    3998.57 us      82.10 us  469183.97 us          25947        READ
     35.02   18777.53 us      92.85 us  483169.32 us          25908       FSYNC
     54.69   12727.00 us     149.97 us  759284.50 us          59684       WRITE
 
    Duration: 58519 seconds
   Data Read: 3261956842 bytes
Data Written: 24886890282 bytes
 
Interval 9 Stats:
   Block Size:                256b+                 512b+                1024b+ 
 No. of Reads:                  665                     0                     0 
No. of Writes:                    0                    59                  2334 
 
   Block Size:               2048b+                4096b+                8192b+ 
 No. of Reads:                    0                     7                   103 
No. of Writes:                  441                  4519                  1752 
 
   Block Size:              16384b+               32768b+               65536b+ 
 No. of Reads:                    2                     3                    17 
No. of Writes:                  790                    84                   399 
 
   Block Size:             131072b+              262144b+              524288b+ 
 No. of Reads:                    0                     0                     0 
No. of Writes:                  151                   214                    31 
 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us            615     RELEASE
      0.00       0.00 us       0.00 us       0.00 us            488  RELEASEDIR
      0.00      39.06 us      18.17 us     225.32 us             73     INODELK
      0.00      76.36 us       9.68 us     297.33 us             46    GETXATTR
      0.01     222.65 us      21.02 us     593.11 us             58     READDIR
      0.01      45.45 us      12.62 us     289.83 us            417        STAT
      0.01      36.42 us      13.83 us     918.21 us            591       FLUSH
      0.01      53.38 us       0.99 us     474.56 us            488     OPENDIR
      0.02      87.38 us      40.23 us    5527.50 us            615        OPEN
      0.03      49.03 us      18.83 us    3866.60 us           1361      STATFS
      0.04     189.02 us     122.54 us     990.42 us            435    READDIRP
      0.33      63.39 us      13.25 us  128981.30 us          11477    FINODELK
      0.74     321.28 us      13.43 us   37963.21 us           5074      LOOKUP
      0.98     186.47 us      80.20 us   43834.36 us          11476    FXATTROP
      2.30    6321.31 us     154.25 us  110020.47 us            797        READ
     39.43    8011.27 us     168.50 us  404368.45 us          10774       WRITE
     56.08   21071.37 us     152.03 us  325318.37 us           5826       FSYNC
 
    Duration: 740 seconds
   Data Read: 2502580 bytes
Data Written: 217700864 bytes
 
Brick: 10.32.9.8:/data/gfs/bricks/bricka/ovirt-data
---------------------------------------------------
Cumulative Stats:
   Block Size:                  1b+ 
 No. of Reads:                    0 
No. of Writes:              2836841 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us           3501     RELEASE
      0.00       0.00 us       0.00 us       0.00 us          39501  RELEASEDIR
      0.00      23.26 us      15.42 us      47.19 us            110       FLUSH
      0.01      85.78 us      57.99 us     148.82 us            124 REMOVEXATTR
      0.01      90.83 us      67.34 us     158.33 us            124     SETATTR
      0.01      67.66 us      10.50 us     368.03 us            194    GETXATTR
      0.02      84.14 us      41.98 us     499.27 us            250        OPEN
      0.04      36.99 us      12.62 us     398.57 us            944     INODELK
      0.06     280.66 us      14.10 us    1296.89 us            197     READDIR
      0.14      49.60 us       1.25 us     911.95 us           2704     OPENDIR
      8.05      27.51 us      11.45 us   86619.65 us         270887    FINODELK
      8.60      50.28 us      14.57 us  117405.17 us         158241       WRITE
     22.34     810.95 us      15.51 us  136924.46 us          25499      LOOKUP
     26.84     184.15 us      32.55 us  187376.40 us         134874       FSYNC
     33.87     115.65 us      48.10 us   68557.92 us         271003    FXATTROP
 
    Duration: 59079 seconds
   Data Read: 0 bytes
Data Written: 2836841 bytes
 
Interval 9 Stats:
   Block Size:                  1b+ 
 No. of Reads:                    0 
No. of Writes:                25110 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us             84     RELEASE
      0.00       0.00 us       0.00 us       0.00 us            482  RELEASEDIR
      0.00      22.68 us      15.95 us      30.51 us             22       FLUSH
      0.02      81.94 us      66.17 us     121.51 us             24 REMOVEXATTR
      0.02      92.75 us      73.22 us     158.33 us             24     SETATTR
      0.02      50.76 us      10.50 us     198.71 us             52    GETXATTR
      0.06      88.22 us      47.47 us     347.92 us             84        OPEN
      0.07     200.12 us      17.43 us     366.16 us             46     READDIR
      0.10      43.88 us      12.88 us     398.57 us            298     INODELK
      0.17      46.60 us       1.30 us      95.78 us            482     OPENDIR
      6.89      35.71 us      14.98 us    8325.56 us          25110       WRITE
      8.62     243.97 us      17.27 us   13438.88 us           4599      LOOKUP
      9.62      26.97 us      12.23 us   10471.02 us          46438    FINODELK
     32.58     183.27 us      33.33 us  182520.02 us          23144       FSYNC
     41.83     117.30 us      57.85 us    1991.12 us          46424    FXATTROP
 
    Duration: 740 seconds
   Data Read: 0 bytes
Data Written: 25110 bytes
 
Brick: 10.32.9.8:/data0/gfs/bricks/brick1/ovirt-data
----------------------------------------------------
Cumulative Stats:
   Block Size:                256b+                 512b+                1024b+ 
 No. of Reads:                    8                  1097                   109 
No. of Writes:                    0                  2901                273197 
 
   Block Size:               2048b+                4096b+                8192b+ 
 No. of Reads:                  115                238693                440909 
No. of Writes:                36872               1361504                875644 
 
   Block Size:              16384b+               32768b+               65536b+ 
 No. of Reads:                37900                  3346                141710 
No. of Writes:               293109                 93776                162079 
 
   Block Size:             131072b+              262144b+              524288b+ 
 No. of Reads:                 3889                  7281                    33 
No. of Writes:               161749                236364                  7941 
 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us              1      FORGET
      0.00       0.00 us       0.00 us       0.00 us           3720     RELEASE
      0.00       0.00 us       0.00 us       0.00 us          39522  RELEASEDIR
      0.00      46.19 us      10.83 us     328.71 us            167    GETXATTR
      0.00     107.36 us      42.28 us     762.18 us            195        OPEN
      0.01     203.17 us      12.21 us     864.86 us            197     READDIR
      0.03      43.02 us       1.32 us     452.74 us           2704     OPENDIR
      0.06    2113.84 us    1920.14 us    2569.20 us            124    READDIRP
      0.06      36.11 us      17.79 us     347.13 us           7757      STATFS
      0.09      35.61 us      16.14 us     340.33 us          11844       FSTAT
      0.73      27.99 us      11.02 us   73986.88 us         118371    FINODELK
      1.77     136.85 us      37.39 us  121066.77 us          58862       FSYNC
      1.88     346.99 us      15.01 us   77684.23 us          24658      LOOKUP
      3.34     128.87 us      55.07 us   45501.15 us         118386    FXATTROP
      5.55   52717.08 us      16.10 us 2004661.60 us            480     INODELK
      9.40     234.45 us      75.18 us  172924.48 us         182886       WRITE
     77.09    3911.50 us      74.71 us  427304.61 us          89909        READ
 
    Duration: 59079 seconds
   Data Read: 18550783716 bytes
Data Written: 169056832000 bytes
 
Interval 9 Stats:
   Block Size:                512b+                1024b+                2048b+ 
 No. of Reads:                    0                     0                     0 
No. of Writes:                   28                  1201                   202 
 
   Block Size:               4096b+                8192b+               16384b+ 
 No. of Reads:                   88                  1012                    13 
No. of Writes:                11370                  7637                  1887 
 
   Block Size:              32768b+               65536b+              131072b+ 
 No. of Reads:                   13                   723                     0 
No. of Writes:                  518                   690                  1562 
 
   Block Size:             262144b+              524288b+ 
 No. of Reads:                    0                     0 
No. of Writes:                 2221                    50 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us             21     RELEASE
      0.00       0.00 us       0.00 us       0.00 us            473  RELEASEDIR
      0.00      63.17 us      11.55 us     328.71 us             24    GETXATTR
      0.00      85.37 us      47.47 us     218.02 us             21        OPEN
      0.01     191.44 us      20.33 us     506.91 us             28     READDIR
      0.05      42.27 us       1.32 us     103.43 us            473     OPENDIR
      0.12      35.99 us      17.79 us     312.67 us           1361      STATFS
      0.13    2137.12 us    1993.74 us    2312.10 us             24    READDIRP
      0.19      36.56 us      16.68 us     182.58 us           2058       FSTAT
      1.46      28.28 us      11.78 us    4920.38 us          20656    FINODELK
      3.09     283.99 us      16.10 us   77684.23 us           4368      LOOKUP
      3.43     134.79 us      38.66 us   46317.56 us          10211       FSYNC
      6.69     129.92 us      55.07 us    1519.44 us          20670    FXATTROP
     15.38     225.45 us      75.18 us  166890.53 us          27366       WRITE
     18.50  114198.06 us      16.67 us 2004661.60 us             65     INODELK
     50.94   11055.19 us     133.17 us  355082.08 us           1849        READ
 
    Duration: 740 seconds
   Data Read: 57180160 bytes
Data Written: 1466518016 bytes
 
Brick: 10.32.9.7:/data/gfs/bricks/brick1/ovirt-data
---------------------------------------------------
Cumulative Stats:
   Block Size:                256b+                 512b+                1024b+ 
 No. of Reads:                    8                   146                    10 
No. of Writes:                    0                  5640                191078 
 
   Block Size:               2048b+                4096b+                8192b+ 
 No. of Reads:                   12                275838                263894 
No. of Writes:                29947               1275560                712585 
 
   Block Size:              16384b+               32768b+               65536b+ 
 No. of Reads:                17182                  2303                 69829 
No. of Writes:               286032                 45424                 94648 
 
   Block Size:             131072b+              262144b+              524288b+ 
 No. of Reads:                 2287                  4034                    20 
No. of Writes:                88659                100478                  6790 
 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us           3501     RELEASE
      0.00       0.00 us       0.00 us       0.00 us          40057  RELEASEDIR
      0.00      20.98 us      14.68 us      31.79 us            110       FLUSH
      0.00      82.04 us      58.17 us     510.84 us            124 REMOVEXATTR
      0.00      86.21 us      62.72 us     156.44 us            124     SETATTR
      0.00     268.84 us       6.67 us    2674.39 us            259    GETXATTR
      0.00     321.60 us      41.89 us    3004.61 us            250        OPEN
      0.01     475.40 us      14.32 us    1787.62 us            281     READDIR
      0.01    1249.13 us      26.42 us    3832.88 us            234    READDIRP
      0.05     178.77 us      16.13 us  351764.07 us           7757      STATFS
      0.09     822.57 us       1.17 us 1068559.38 us           2746     OPENDIR
      0.12     292.98 us      25.31 us 1365160.22 us          10719       FSTAT
      0.90   25010.58 us      13.33 us  887933.44 us            941     INODELK
      1.38     133.53 us      11.10 us 3938189.55 us         270885    FINODELK
      1.68     162.21 us      45.86 us 2503412.21 us         271003    FXATTROP
      2.03     394.43 us      31.20 us  756176.42 us         134874       FSYNC
     12.66    2092.21 us      72.21 us 4245933.36 us         158241       WRITE
     14.29   14633.42 us      10.75 us 4031333.55 us          25543      LOOKUP
     66.78   18236.84 us      69.72 us 6429153.50 us          95797        READ
 
    Duration: 59031 seconds
   Data Read: 10396155504 bytes
Data Written: 84404067328 bytes
 
Interval 9 Stats:
   Block Size:                512b+                1024b+                2048b+ 
 No. of Reads:                    0                     0                     0 
No. of Writes:                   64                   279                    45 
 
   Block Size:               4096b+                8192b+               16384b+ 
 No. of Reads:                  172                   529                    10 
No. of Writes:                14494                  5264                  1377 
 
   Block Size:              32768b+               65536b+              131072b+ 
 No. of Reads:                    5                   351                     0 
No. of Writes:                  316                   548                  1064 
 
   Block Size:             262144b+              524288b+ 
 No. of Reads:                    0                     0 
No. of Writes:                 1620                    39 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us             84     RELEASE
      0.00       0.00 us       0.00 us       0.00 us            494  RELEASEDIR
      0.00      22.20 us      17.97 us      31.79 us             22       FLUSH
      0.00      81.91 us      68.21 us     101.65 us             24 REMOVEXATTR
      0.00      89.38 us      72.10 us     128.30 us             24     SETATTR
      0.01      43.26 us       1.29 us     153.44 us            494     OPENDIR
      0.01     427.33 us      15.79 us    1319.22 us             70     READDIR
      0.02      33.36 us      19.57 us     258.67 us           1361      STATFS
      0.02     561.73 us       9.55 us    2674.39 us             86    GETXATTR
      0.02    1283.75 us      28.25 us    3720.17 us             46    READDIRP
      0.03     790.46 us      41.89 us    3004.61 us             84        OPEN
      0.03      42.33 us      25.31 us     308.87 us           1862       FSTAT
      0.53      27.26 us      11.92 us   22788.88 us          46436    FINODELK
      0.61     316.49 us      10.75 us  100131.38 us           4611      LOOKUP
      2.25     231.96 us      37.46 us  540421.26 us          23144       FSYNC
      2.97     152.85 us      51.13 us  541193.18 us          46424    FXATTROP
      4.89   39428.07 us      14.19 us  881646.99 us            296     INODELK
     18.93    1799.80 us      72.85 us 3118991.86 us          25110       WRITE
     69.67  155845.21 us     130.17 us 4885484.01 us           1067        READ
 
    Duration: 740 seconds
   Data Read: 28553216 bytes
Data Written: 1032566784 bytes
 
Brick: 10.32.9.21:/data/gfs/bricks/bricka/ovirt-data
----------------------------------------------------
Cumulative Stats:
   Block Size:                  1b+ 
 No. of Reads:                    0 
No. of Writes:              3513729 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us              1      FORGET
      0.00       0.00 us       0.00 us       0.00 us           4089     RELEASE
      0.00       0.00 us       0.00 us       0.00 us          44272  RELEASEDIR
      0.18      42.97 us       1.09 us    1138.82 us           2893     OPENDIR
      0.42     611.92 us      15.33 us    7388.53 us            479     INODELK
      0.56     679.34 us      15.23 us    2483.07 us            574     READDIR
      0.61    2170.81 us      48.25 us   13138.61 us            195        OPEN
      0.82    1066.87 us       8.75 us   13801.35 us            535    GETXATTR
      4.89      28.84 us      10.98 us   51214.69 us         118373    FINODELK
      9.18      35.04 us      14.64 us   81798.39 us         182886       WRITE
     18.04     506.78 us      12.31 us  165781.70 us          24847      LOOKUP
     22.07     130.09 us      53.80 us   40959.22 us         118386    FXATTROP
     43.23     512.45 us      38.18 us  285202.84 us          58862       FSYNC
 
    Duration: 60363 seconds
   Data Read: 0 bytes
Data Written: 3513729 bytes
 
Interval 9 Stats:
   Block Size:                  1b+ 
 No. of Reads:                    0 
No. of Writes:                27366 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us             21     RELEASE
      0.00       0.00 us       0.00 us       0.00 us            500  RELEASEDIR
      0.02      82.18 us      48.25 us     161.40 us             21        OPEN
      0.02      41.30 us      16.13 us     156.19 us             65     INODELK
      0.08     136.77 us      13.02 us     909.03 us             66    GETXATTR
      0.20      43.34 us       1.27 us     277.72 us            500     OPENDIR
      0.33     428.51 us      15.42 us    1215.07 us             82     READDIR
      5.70      29.84 us      11.88 us    2949.68 us          20656    FINODELK
      9.15      36.14 us      14.64 us    4606.43 us          27366       WRITE
     11.51     283.22 us      12.31 us   53047.02 us           4395      LOOKUP
     26.02     136.12 us      53.80 us   40959.22 us          20670    FXATTROP
     46.96     497.27 us      40.09 us  274185.32 us          10211       FSYNC
 
    Duration: 740 seconds
   Data Read: 0 bytes
Data Written: 27366 bytes
 
Brick: 10.32.9.21:/data0/gfs/bricks/brick1/ovirt-data
-----------------------------------------------------
Cumulative Stats:
   Block Size:                256b+                 512b+                1024b+ 
 No. of Reads:                   11                    66                     2 
No. of Writes:                    2                 31826                326701 
 
   Block Size:               2048b+                4096b+                8192b+ 
 No. of Reads:                    4                116933                302613 
No. of Writes:                53880               1410548               1140566 
 
   Block Size:              16384b+               32768b+               65536b+ 
 No. of Reads:                11546                  1749                 76356 
No. of Writes:               479855                114971                144225 
 
   Block Size:             131072b+              262144b+              524288b+ 
 No. of Reads:                 1906                  4093                    24 
No. of Writes:               105312                165416                  8915 
 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us              2      FORGET
      0.00       0.00 us       0.00 us       0.00 us           6820     RELEASE
      0.00       0.00 us       0.00 us       0.00 us          44299  RELEASEDIR
      0.03      42.29 us      13.86 us    9356.79 us           2425        STAT
      0.04      46.94 us       1.04 us     772.13 us           2893     OPENDIR
      0.04     314.86 us      10.29 us    2391.56 us            479    GETXATTR
      0.05     207.42 us      14.29 us    5815.42 us            799     INODELK
      0.05      51.40 us      28.18 us     540.78 us           3666       FSTAT
      0.09      39.82 us      18.62 us    9889.16 us           7757      STATFS
      0.12    1358.64 us      43.37 us  233429.90 us            322        OPEN
      0.14     851.72 us      15.78 us    4414.06 us            574     READDIR
      0.16     224.28 us     143.72 us    3249.69 us           2482    READDIRP
      1.46      30.22 us      10.80 us  110711.59 us         173110    FINODELK
      4.32     601.98 us      15.19 us   91847.23 us          25659      LOOKUP
      6.30     130.39 us      49.28 us  232146.00 us         172711    FXATTROP
      8.84     378.85 us      35.58 us  430356.59 us          83395       FSYNC
     23.35     525.84 us      73.80 us  494782.91 us         158694       WRITE
     55.01    4360.84 us      78.00 us  503162.29 us          45075        READ
 
    Duration: 60363 seconds
   Data Read: 10404548654 bytes
Data Written: 133624068438 bytes
 
Interval 9 Stats:
   Block Size:                512b+                1024b+                2048b+ 
 No. of Reads:                    0                     0                     0 
No. of Writes:                  394                   387                    86 
 
   Block Size:               4096b+                8192b+               16384b+ 
 No. of Reads:                   31                   563                    12 
No. of Writes:                 5905                 10055                  2308 
 
   Block Size:              32768b+               65536b+              131072b+ 
 No. of Reads:                    7                   368                     1 
No. of Writes:                  763                  1465                  1637 
 
   Block Size:             262144b+              524288b+ 
 No. of Reads:                    1                     0 
No. of Writes:                 2759                    73 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us             70     RELEASE
      0.00       0.00 us       0.00 us       0.00 us            500  RELEASEDIR
      0.02      42.46 us      14.29 us     589.73 us            210     INODELK
      0.03      34.11 us      20.98 us     177.92 us            413        STAT
      0.04     298.66 us      10.97 us    1498.98 us             63    GETXATTR
      0.06      48.48 us       1.17 us     120.46 us            500     OPENDIR
      0.08      52.55 us      31.44 us     108.17 us            637       FSTAT
      0.12      37.70 us      18.62 us     406.46 us           1361      STATFS
      0.17     871.79 us      16.50 us    2028.77 us             82     READDIR
      0.23     227.43 us     145.28 us    3249.69 us            435    READDIRP
      0.56    3427.01 us      43.37 us  233429.90 us             70        OPEN
      1.62      30.00 us      11.97 us    3260.32 us          23206    FINODELK
      8.55     159.50 us      72.57 us  232146.00 us          23005    FXATTROP
      8.94     849.78 us      16.81 us   91847.23 us           4515      LOOKUP
     24.77     959.75 us      38.69 us  430356.59 us          11072       FSYNC
     24.89   10859.72 us     153.99 us  250511.54 us            983        READ
     29.91     496.71 us      73.80 us  453768.34 us          25832       WRITE
 
    Duration: 740 seconds
   Data Read: 30142464 bytes
Data Written: 1776420864 bytes
 
Brick: 10.32.9.20:/data/gfs/bricks/bricka/ovirt-data
----------------------------------------------------
Cumulative Stats:
   Block Size:                  1b+ 
 No. of Reads:                    0 
No. of Writes:              3979583 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us              2      FORGET
      0.00       0.00 us       0.00 us       0.00 us           6630     RELEASE
      0.00       0.00 us       0.00 us       0.00 us          36900  RELEASEDIR
      0.01      57.48 us      12.65 us     329.66 us             84    GETXATTR
      0.02     193.66 us      14.90 us     878.82 us             70     READDIR
      0.05     105.94 us      41.17 us     683.04 us            322        OPEN
      0.06      54.19 us      15.72 us    5135.95 us            800     INODELK
      0.19      54.37 us       1.60 us    1035.48 us           2641     OPENDIR
      7.68      32.94 us      11.38 us   68417.92 us         173114    FINODELK
      9.52      44.57 us      14.70 us   55440.51 us         158694       WRITE
     24.39     712.95 us      16.53 us  280142.79 us          25407      LOOKUP
     27.40     243.98 us      34.94 us  251521.50 us          83395       FSYNC
     30.68     131.93 us      50.81 us   55731.00 us         172711    FXATTROP
 
    Duration: 57920 seconds
   Data Read: 0 bytes
Data Written: 3979583 bytes
 
Interval 9 Stats:
   Block Size:                  1b+ 
 No. of Reads:                    0 
No. of Writes:                25832 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us             70     RELEASE
      0.00       0.00 us       0.00 us       0.00 us            464  RELEASEDIR
      0.01      62.34 us      15.20 us     116.82 us             17    GETXATTR
      0.02     199.99 us      16.79 us     778.14 us             10     READDIR
      0.10     114.77 us      46.50 us     683.04 us             70        OPEN
      0.22      86.24 us      16.71 us    5135.95 us            211     INODELK
      0.32      56.51 us       1.98 us    1035.48 us            464     OPENDIR
      8.88      31.82 us      12.28 us    7988.05 us          23206    FINODELK
     11.60      37.32 us      15.06 us    2981.61 us          25832       WRITE
     12.08     224.23 us      20.07 us   39256.75 us           4479      LOOKUP
     28.45     213.58 us      40.22 us   94343.80 us          11072       FSYNC
     38.31     138.39 us      69.94 us    3069.85 us          23005    FXATTROP
 
    Duration: 740 seconds
   Data Read: 0 bytes
Data Written: 25832 bytes
 
Brick: 10.32.9.20:/data0/gfs/bricks/brick1/ovirt-data
-----------------------------------------------------
Cumulative Stats:
   Block Size:                256b+                 512b+                1024b+ 
 No. of Reads:                    4                   109                    21 
No. of Writes:                    0                  2901                273197 
 
   Block Size:               2048b+                4096b+                8192b+ 
 No. of Reads:                   42                112256                166124 
No. of Writes:                36872               1361504                875644 
 
   Block Size:              16384b+               32768b+               65536b+ 
 No. of Reads:                12144                  1370                 69995 
No. of Writes:               293109                 93776                162079 
 
   Block Size:             131072b+              262144b+              524288b+ 
 No. of Reads:                 1466                  2942                     9 
No. of Writes:               161749                236364                  7941 
 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us           3097     RELEASE
      0.00       0.00 us       0.00 us       0.00 us          36900  RELEASEDIR
      0.00      53.86 us      12.74 us     546.30 us             60    GETXATTR
      0.00     211.97 us      16.62 us     988.45 us             70     READDIR
      0.00     101.31 us      39.98 us     497.56 us            195        OPEN
      0.00      46.92 us      14.96 us    3469.09 us            481     INODELK
      0.01      52.86 us       1.65 us    1573.96 us           2641     OPENDIR
      0.03     216.49 us     152.23 us    2562.55 us           2482    READDIRP
      0.03      73.86 us      18.77 us  125905.96 us           7757      STATFS
      0.06     111.91 us      16.04 us  655589.61 us          10152       FSTAT
      0.07     542.53 us      12.89 us  523421.21 us           2425        STAT
      1.10     803.43 us      18.50 us 1534952.31 us          24595      LOOKUP
      1.16     177.03 us      11.27 us 1749236.34 us         118375    FINODELK
      1.44     218.66 us      58.80 us 1784231.76 us         118390    FXATTROP
     13.72    4194.48 us      39.91 us 2743546.94 us          58865       FSYNC
     36.03   14004.46 us      79.14 us 2966713.52 us          46303        READ
     46.33    4558.98 us      77.68 us 2638579.30 us         182887       WRITE
 
    Duration: 57920 seconds
   Data Read: 8237195368 bytes
Data Written: 169056832000 bytes
 
Interval 9 Stats:
   Block Size:                512b+                1024b+                2048b+ 
 No. of Reads:                    0                     0                     0 
No. of Writes:                   28                  1201                   202 
 
   Block Size:               4096b+                8192b+               16384b+ 
 No. of Reads:                  131                   256                    14 
No. of Writes:                11370                  7637                  1887 
 
   Block Size:              32768b+               65536b+              131072b+ 
 No. of Reads:                    2                   277                     4 
No. of Writes:                  518                   690                  1562 
 
   Block Size:             262144b+              524288b+ 
 No. of Reads:                    2                     0 
No. of Writes:                 2221                    50 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us             21     RELEASE
      0.00       0.00 us       0.00 us       0.00 us            464  RELEASEDIR
      0.00      47.44 us      13.63 us      73.33 us             12    GETXATTR
      0.00     212.66 us      19.17 us     803.07 us             10     READDIR
      0.00     118.97 us      59.03 us     352.73 us             21        OPEN
      0.00      45.59 us      20.23 us     248.98 us             65     INODELK
      0.01      56.79 us       1.86 us    1008.29 us            464     OPENDIR
      0.03      48.42 us      20.11 us    1484.22 us           1764       FSTAT
      0.04     214.84 us     152.23 us     558.38 us            435    READDIRP
      0.06     113.06 us      19.98 us   96371.03 us           1361      STATFS
      0.07     470.41 us      15.68 us  177048.08 us            413        STAT
      0.61     369.50 us      21.75 us   98568.83 us           4359      LOOKUP
      0.84     107.63 us      11.27 us  422960.68 us          20656    FINODELK
      1.50     191.62 us      58.80 us  669097.82 us          20670    FXATTROP
     15.43   59246.36 us     108.59 us 2819788.24 us            686        READ
     15.75    4062.95 us      40.23 us 1993844.42 us          10211       FSYNC
     65.65    6319.81 us      80.06 us 2441596.43 us          27366       WRITE
 
    Duration: 740 seconds
   Data Read: 22843392 bytes
Data Written: 1466518016 bytes
 
Brick: 10.32.9.3:/data/gfs/bricks/brick3/ovirt-data
---------------------------------------------------
Cumulative Stats:
   Block Size:                256b+                 512b+                1024b+ 
 No. of Reads:                    4                   131                     8 
No. of Writes:                    0                  5640                191078 
 
   Block Size:               2048b+                4096b+                8192b+ 
 No. of Reads:                   16                 81419                161095 
No. of Writes:                29947               1275560                712585 
 
   Block Size:              16384b+               32768b+               65536b+ 
 No. of Reads:                17291                  1342                103864 
No. of Writes:               286032                 45424                 94648 
 
   Block Size:             131072b+              262144b+              524288b+ 
 No. of Reads:                 1022                  1870                    19 
No. of Writes:                88659                100478                  6790 
 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us           3665     RELEASE
      0.00       0.00 us       0.00 us       0.00 us          40654  RELEASEDIR
      0.00      77.86 us      14.39 us     255.33 us             58    GETXATTR
      0.00      55.93 us      18.71 us     185.55 us            110       FLUSH
      0.00     148.39 us      76.71 us     306.67 us            124 REMOVEXATTR
      0.00     156.41 us      94.69 us     237.19 us            124     SETATTR
      0.00     282.94 us      26.64 us    1991.99 us             72     READDIR
      0.01     249.61 us      62.86 us    1608.99 us            250        OPEN
      0.02     108.18 us      23.05 us    1656.32 us            942     INODELK
      0.03      73.13 us      23.73 us     337.63 us           2425        STAT
      0.04      93.83 us       1.99 us   17101.96 us           2641     OPENDIR
      0.10      78.77 us      24.79 us    1132.37 us           7757      STATFS
      0.14     108.18 us      41.73 us    4078.40 us           7332       FSTAT
      0.18     262.35 us      91.17 us    5148.11 us           3890    READDIRP
      2.78      59.76 us      13.90 us   60015.05 us         270884    FINODELK
      3.23     739.71 us      25.36 us  119501.01 us          25436      LOOKUP
      7.72     333.10 us      45.00 us  283828.60 us         134874       FSYNC
      9.10     195.46 us      67.03 us  157955.41 us         271003    FXATTROP
     19.48     716.64 us      94.11 us  340140.18 us         158241       WRITE
     57.15    8361.71 us     110.31 us  596087.45 us          39783        READ
 
    Duration: 60363 seconds
   Data Read: 9818510392 bytes
Data Written: 84404067328 bytes
 
Interval 9 Stats:
   Block Size:                512b+                1024b+                2048b+ 
 No. of Reads:                    0                     0                     0 
No. of Writes:                   64                   279                    45 
 
   Block Size:               4096b+                8192b+               16384b+ 
 No. of Reads:                   83                   367                     8 
No. of Writes:                14494                  5264                  1377 
 
   Block Size:              32768b+               65536b+              131072b+ 
 No. of Reads:                    4                   586                     0 
No. of Writes:                  316                   548                  1064 
 
   Block Size:             262144b+              524288b+ 
 No. of Reads:                    0                     0 
No. of Writes:                 1620                    39 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us             84     RELEASE
      0.00       0.00 us       0.00 us       0.00 us            464  RELEASEDIR
      0.00      84.14 us      26.99 us     150.82 us              9    GETXATTR
      0.00      52.66 us      18.71 us     108.64 us             22       FLUSH
      0.00     187.96 us      35.03 us     565.44 us             11     READDIR
      0.01     139.45 us      77.67 us     239.13 us             24 REMOVEXATTR
      0.01     152.96 us      94.69 us     236.75 us             24     SETATTR
      0.05      67.18 us      24.77 us     302.92 us            413        STAT
      0.06     395.71 us      67.77 us    1608.99 us             84        OPEN
      0.06      82.30 us       2.19 us     210.85 us            464     OPENDIR
      0.09     186.01 us      24.60 us    1656.32 us            297     INODELK
      0.18      78.19 us      27.95 us    1050.83 us           1361      STATFS
      0.25     117.05 us      45.04 us    4078.40 us           1274       FSTAT
      0.30     264.20 us     102.02 us    5148.11 us            682    READDIRP
      2.07     271.71 us      35.32 us   22720.97 us           4581      LOOKUP
      4.81      62.33 us      16.26 us    6962.45 us          46436    FINODELK
     12.97     337.03 us      54.20 us  221094.08 us          23144       FSYNC
     15.31     198.37 us      91.04 us    5197.06 us          46424    FXATTROP
     24.57     588.49 us      97.75 us  228091.00 us          25110       WRITE
     39.26   22524.25 us     112.00 us  551619.18 us           1048        READ
 
    Duration: 740 seconds
   Data Read: 42180608 bytes
Data Written: 1032566784 bytes
 
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Brick: 10.32.9.9:/data0/gfs/bricks/brick1/ovirt-data
----------------------------------------------------
Cumulative Stats:
   Block Size:                256b+                 512b+                1024b+ 
 No. of Reads:                   11                   197                     9 
No. of Writes:                    2                  5298                 50158 
 
   Block Size:               2048b+                4096b+                8192b+ 
 No. of Reads:                   22                152814                155742 
No. of Writes:                10281                141128                229969 
 
   Block Size:              16384b+               32768b+               65536b+ 
 No. of Reads:                19592                  2856                 34807 
No. of Writes:                46540                 15874                 16618 
 
   Block Size:             131072b+              262144b+              524288b+ 
 No. of Reads:                41083                  7619                    43 
No. of Writes:                12325                 19939                  1278 
 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us              2      FORGET
      0.00       0.00 us       0.00 us       0.00 us           1163     RELEASE
      0.00       0.00 us       0.00 us       0.00 us           8997  RELEASEDIR
      0.01      42.50 us       1.07 us     200.99 us           2015     OPENDIR
      0.03    1205.44 us     147.78 us    3219.56 us            160    READDIRP
      0.03      38.21 us      19.08 us    7544.91 us           5346      STATFS
      0.03     947.57 us      42.15 us    5689.21 us            221        OPEN
      0.03     536.56 us      11.61 us    5405.25 us            416    GETXATTR
      0.06      42.40 us      15.94 us    3408.97 us           9626       FSTAT
      0.06     992.07 us      13.79 us    3583.18 us            440     READDIR
      2.07     784.10 us      10.19 us  100292.79 us          17781      LOOKUP
      2.58     128.10 us      48.36 us   73127.27 us         135547    FXATTROP
      2.75     282.45 us      36.68 us  403763.55 us          65559       FSYNC
      5.30   72558.78 us      13.93 us 1840271.15 us            491     INODELK
      7.97     450.94 us      75.16 us  368078.53 us         118790       WRITE
     24.45    1212.26 us      11.70 us 1850709.72 us         135580    FINODELK
     54.60    3082.33 us      72.64 us  387813.52 us         119063        READ
 
    Duration: 10748 seconds
   Data Read: 13585666193 bytes
Data Written: 16779903830 bytes
 
Interval 6 Stats:
   Block Size:                512b+                1024b+                4096b+ 
 No. of Reads:                    0                     0                  1151 
No. of Writes:                   13                     2                   405 
 
   Block Size:               8192b+               16384b+               32768b+ 
 No. of Reads:                  580                    10                     0 
No. of Writes:                  357                   115                    16 
 
   Block Size:              65536b+              131072b+              262144b+ 
 No. of Reads:                  314                    96                     0 
No. of Writes:                   25                    19                    62 
 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us              9     RELEASE
      0.00       0.00 us       0.00 us       0.00 us             25  RELEASEDIR
      0.00      42.88 us      11.61 us      65.94 us              6    GETXATTR
      0.01      95.97 us      52.28 us     174.48 us              9        OPEN
      0.01      43.61 us       1.83 us      68.31 us             25     OPENDIR
      0.01      30.47 us      22.02 us      42.78 us             53      STATFS
      0.01     291.00 us     148.50 us     772.43 us              6     READDIR
      0.01    2255.97 us    2255.97 us    2255.97 us              1    READDIRP
      0.03      42.10 us      18.38 us     114.84 us             98       FSTAT
      0.10      30.02 us      14.10 us     662.25 us            520    FINODELK
      0.18     165.79 us      20.56 us    2137.59 us            173      LOOKUP
      0.21     137.80 us      53.21 us     366.07 us            243       FSYNC
      0.43     133.43 us      81.66 us     384.37 us            520    FXATTROP
      4.53     713.51 us      75.16 us  101590.43 us           1014       WRITE
     28.81  102208.45 us      16.11 us  931987.84 us             45     INODELK
     65.66    4873.26 us      79.54 us  293295.82 us           2151        READ
 
    Duration: 26 seconds
   Data Read: 42790912 bytes
Data Written: 40480256 bytes
 
Brick: 10.32.9.6:/data/gfs/bricks/bricka/ovirt-data
---------------------------------------------------
Cumulative Stats:
   Block Size:                  1b+ 
 No. of Reads:                    0 
No. of Writes:               140764 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us              2      FORGET
      0.00       0.00 us       0.00 us       0.00 us           8678     RELEASE
      0.00       0.00 us       0.00 us       0.00 us          10636  RELEASEDIR
      0.00      21.03 us      16.15 us      34.88 us              8     ENTRYLK
      0.00     270.94 us     270.94 us     270.94 us              1       MKNOD
      0.01     323.61 us      13.73 us    2466.13 us             80     READDIR
      0.02     326.98 us      11.55 us    9174.66 us             83    GETXATTR
      0.09      65.78 us      16.75 us    4946.30 us           2332       FLUSH
      0.09      85.68 us       1.51 us    4642.85 us           1834     OPENDIR
      0.32     227.62 us      41.15 us   64374.98 us           2476        OPEN
      0.45    2256.77 us      15.05 us   63381.45 us            347     INODELK
      0.97      56.53 us      10.33 us    5526.47 us          29676    FINODELK
      1.78      74.73 us      15.84 us    5393.43 us          41433       WRITE
      3.57     320.06 us      15.52 us  115626.36 us          19340      LOOKUP
      3.89     227.62 us      77.62 us   68580.08 us          29634    FXATTROP
     88.81    9879.97 us     149.50 us  367307.05 us          15606       FSYNC
 
    Duration: 12346 seconds
   Data Read: 0 bytes
Data Written: 140764 bytes
 
Interval 6 Stats:
   Block Size:                  1b+ 
 No. of Reads:                    0 
No. of Writes:                  174 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us             25     RELEASE
      0.00       0.00 us       0.00 us       0.00 us             25  RELEASEDIR
      0.04      73.34 us      20.62 us     134.34 us              5    GETXATTR
      0.24      82.36 us      46.64 us     190.61 us             25        OPEN
      0.31     437.89 us     272.99 us    1086.34 us              6     READDIR
      0.43     184.47 us      19.85 us    2374.95 us             20       FLUSH
      0.47     235.68 us      19.14 us    1331.71 us             17     INODELK
      0.58     197.88 us       2.13 us    1981.61 us             25     OPENDIR
      1.50     115.21 us      18.93 us    1851.08 us            112    FINODELK
      2.46     194.41 us      96.77 us    1656.53 us            109    FXATTROP
      5.75     284.33 us      23.78 us    1087.73 us            174       WRITE
      6.46     295.65 us      21.14 us   19073.84 us            188      LOOKUP
     81.76   12553.12 us     218.24 us   73123.96 us             56       FSYNC
 
    Duration: 26 seconds
   Data Read: 0 bytes
Data Written: 174 bytes
 
Brick: 10.32.9.4:/data/gfs/bricks/brick1/ovirt-data
---------------------------------------------------
Cumulative Stats:
   Block Size:                256b+                 512b+                1024b+ 
 No. of Reads:                 9195                     6                     0 
No. of Writes:                    3                   700                  2043 
 
   Block Size:               2048b+                4096b+                8192b+ 
 No. of Reads:                    0                 32431                 16795 
No. of Writes:                  623                 67451                 42803 
 
   Block Size:              16384b+               32768b+               65536b+ 
 No. of Reads:                 1749                   317                  6006 
No. of Writes:                12604                  1347                  5850 
 
   Block Size:             131072b+              262144b+              524288b+ 
 No. of Reads:                  565                  3076                     3 
No. of Writes:                 2324                  2469                   893 
 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us              2      FORGET
      0.00       0.00 us       0.00 us       0.00 us           8579     RELEASE
      0.00       0.00 us       0.00 us       0.00 us           8397  RELEASEDIR
      0.00      22.96 us      15.97 us      51.06 us              8     ENTRYLK
      0.00     260.50 us     260.50 us     260.50 us              1       MKNOD
      0.00      93.03 us      16.42 us    2701.10 us            347     INODELK
      0.00     128.90 us       7.61 us    1129.71 us            284    GETXATTR
      0.01     300.85 us      12.41 us    3140.45 us            290     READDIR
      0.01      57.69 us      13.08 us   46431.20 us           2334       FLUSH
      0.01      70.20 us       0.94 us   17715.27 us           1939     OPENDIR
      0.02      89.64 us      11.70 us   19019.90 us           1691        STAT
      0.03     132.06 us      42.23 us   33323.48 us           2478        OPEN
      0.03      62.90 us      16.20 us   27740.94 us           5346      STATFS
      0.03     202.21 us     119.54 us   17249.34 us           1709    READDIRP
      0.36     120.14 us      11.12 us  301165.99 us          29660    FINODELK
      1.20     614.44 us      13.29 us  263413.97 us          19453      LOOKUP
      1.27     427.97 us      71.48 us  563688.45 us          29634    FXATTROP
      9.41    3840.22 us      82.10 us  469183.97 us          24493        READ
     27.25   17452.64 us      92.85 us  483169.32 us          15606       FSYNC
     60.36   14557.60 us     149.97 us  759284.50 us          41437       WRITE
 
    Duration: 10499 seconds
   Data Read: 2314290390 bytes
Data Written: 3195953450 bytes
 
Interval 6 Stats:
   Block Size:                256b+                 512b+                4096b+ 
 No. of Reads:                   23                     0                   571 
No. of Writes:                    0                     3                    13 
 
   Block Size:               8192b+               16384b+               32768b+ 
 No. of Reads:                   52                     0                     0 
No. of Writes:                  128                    13                     1 
 
   Block Size:              65536b+              131072b+              262144b+ 
 No. of Reads:                   46                     0                     0 
No. of Writes:                    7                     7                     2 
 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us             25     RELEASE
      0.00       0.00 us       0.00 us       0.00 us             25  RELEASEDIR
      0.01      68.94 us      10.11 us     221.91 us              6    GETXATTR
      0.01      30.00 us      15.66 us      54.39 us             20       FLUSH
      0.02      44.60 us      20.24 us      95.68 us             15        STAT
      0.02      41.06 us      19.29 us     103.84 us             17     INODELK
      0.02     162.01 us     110.86 us     228.45 us              6     READDIR
      0.03      45.60 us       1.45 us      89.10 us             25     OPENDIR
      0.04      75.73 us      44.53 us     190.60 us             25        OPEN
      0.04      36.62 us      16.52 us      66.38 us             53      STATFS
      0.09     185.21 us     136.70 us     275.71 us             21    READDIRP
      0.11      44.70 us      19.04 us      91.96 us            111    FINODELK
      0.37     148.06 us      86.69 us     324.91 us            109    FXATTROP
      1.53     355.20 us      16.63 us   41956.49 us            188      LOOKUP
     25.17   19663.37 us     213.60 us   89492.03 us             56       FSYNC
     28.20    7089.90 us     177.90 us   39757.75 us            174       WRITE
     44.33    2802.26 us     104.46 us   49721.81 us            692        READ
 
    Duration: 26 seconds
   Data Read: 5790220 bytes
Data Written: 4044288 bytes
 
Brick: 10.32.9.5:/data/gfs/bricks/brick1/ovirt-data
---------------------------------------------------
Cumulative Stats:
   Block Size:                256b+                 512b+                1024b+ 
 No. of Reads:                    2                   458                    87 
No. of Writes:                    3                   703                  2052 
 
   Block Size:               2048b+                4096b+                8192b+ 
 No. of Reads:                   54                 15030                 33939 
No. of Writes:                  623                 68563                 43056 
 
   Block Size:              16384b+               32768b+               65536b+ 
 No. of Reads:                 3940                   540                  7475 
No. of Writes:                12791                  1436                  5850 
 
   Block Size:             131072b+              262144b+              524288b+ 
 No. of Reads:                 2395                  6141                    15 
No. of Writes:                22702                  2469                   893 
 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us              2      FORGET
      0.00       0.00 us       0.00 us       0.00 us           8678     RELEASE
      0.00       0.00 us       0.00 us       0.00 us          10597  RELEASEDIR
      0.00     158.97 us     158.97 us     158.97 us              1       MKNOD
      0.00     393.70 us       9.69 us    2344.17 us              8     ENTRYLK
      0.00     126.39 us      10.54 us     281.56 us             80     READDIR
      0.00    1956.79 us       6.43 us  155911.98 us             82    GETXATTR
      0.00    3315.24 us     139.26 us  170764.63 us            160    READDIRP
      0.03    4020.12 us      15.61 us  469284.63 us           1164       FSTAT
      0.04    2583.09 us      28.06 us  204742.02 us           2476        OPEN
      0.04    2825.94 us       8.33 us  590785.10 us           2332       FLUSH
      0.07    5673.25 us       0.80 us  527903.92 us           1832     OPENDIR
      0.09    2595.01 us      11.48 us  382537.47 us           5342      STATFS
      0.14   59496.60 us       8.34 us 1543417.83 us            347     INODELK
      0.40    2031.08 us       6.84 us 1127299.99 us          29607    FINODELK
      0.57    4484.44 us      11.60 us  968588.21 us          19334      LOOKUP
      2.00   10241.03 us      53.88 us 1880631.52 us          29585    FXATTROP
      2.57   29123.91 us      63.31 us 3473303.89 us          13399        READ
     11.80  115055.07 us     122.19 us 2279735.88 us          15581       FSYNC
     82.25  301692.99 us      98.78 us 4500846.60 us          41400       WRITE
 
    Duration: 12343 seconds
   Data Read: 4270911318 bytes
Data Written: 5880060714 bytes
 
Interval 6 Stats:
   Block Size:                512b+                4096b+                8192b+ 
 No. of Reads:                    0                    29                   109 
No. of Writes:                    3                    13                   128 
 
   Block Size:              16384b+               32768b+               65536b+ 
 No. of Reads:                   15                     0                    47 
No. of Writes:                   13                     1                     7 
 
   Block Size:             131072b+              262144b+ 
 No. of Reads:                    0                     0 
No. of Writes:                    7                     2 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us             25     RELEASE
      0.00       0.00 us       0.00 us       0.00 us             25  RELEASEDIR
      0.00      40.48 us       6.94 us      92.02 us              6    GETXATTR
      0.00      28.47 us      10.19 us      50.39 us             20       FLUSH
      0.00      53.78 us      31.59 us      76.06 us             12       FSTAT
      0.00     129.00 us      88.83 us     161.83 us              6     READDIR
      0.00      47.94 us       0.89 us      88.84 us             25     OPENDIR
      0.00    1499.83 us    1499.83 us    1499.83 us              1    READDIRP
      0.04    1333.68 us      30.78 us   31125.60 us             25        OPEN
      0.05     836.76 us      12.08 us   23439.58 us             53      STATFS
      0.11     872.63 us       8.21 us   56495.95 us            111    FINODELK
      0.88    6920.74 us      68.16 us  625281.67 us            109    FXATTROP
      1.02    4614.95 us      13.66 us  348629.63 us            188      LOOKUP
      1.65   83057.19 us      12.45 us  658978.30 us             17     INODELK
      6.49   27709.93 us      98.14 us  471332.27 us            200        READ
      8.08  123206.43 us     267.50 us  979136.22 us             56       FSYNC
     81.66  396159.13 us     232.40 us 1353202.04 us            176       WRITE
 
    Duration: 26 seconds
   Data Read: 4341760 bytes
Data Written: 4044288 bytes
 
Brick: 10.32.9.7:/data/gfs/bricks/brick1/ovirt-data
---------------------------------------------------
Cumulative Stats:
   Block Size:                256b+                 512b+                1024b+ 
 No. of Reads:                    8                   146                    10 
No. of Writes:                    0                   822                 17574 
 
   Block Size:               2048b+                4096b+                8192b+ 
 No. of Reads:                   12                147605                 81020 
No. of Writes:                 3335                177490                110247 
 
   Block Size:              16384b+               32768b+               65536b+ 
 No. of Reads:                12618                  1795                 18321 
No. of Writes:                30013                  5366                 10235 
 
   Block Size:             131072b+              262144b+              524288b+ 
 No. of Reads:                 2188                  4008                    20 
No. of Writes:                 8375                  8875                   585 
 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us            608     RELEASE
      0.00       0.00 us       0.00 us       0.00 us           8795  RELEASEDIR
      0.00      20.59 us      14.68 us      25.91 us             75       FLUSH
      0.00      77.89 us      58.31 us      94.39 us             85 REMOVEXATTR
      0.00      85.37 us      64.65 us     156.44 us             85     SETATTR
      0.00      86.81 us      42.56 us     643.87 us            146        OPEN
      0.00     127.62 us       6.67 us     943.71 us            165    GETXATTR
      0.00     507.62 us      14.32 us    1787.62 us            201     READDIR
      0.01    1235.24 us      26.42 us    3832.88 us            160    READDIRP
      0.06     244.53 us      16.13 us  351764.07 us           5346      STATFS
      0.10    1171.75 us       1.17 us 1068559.38 us           1895     OPENDIR
      0.13     406.39 us      25.42 us 1365160.22 us           7375       FSTAT
      0.53   20755.68 us      13.33 us  887933.44 us            564     INODELK
      1.46     170.00 us      45.86 us 2503412.21 us         190741    FXATTROP
      1.53     178.24 us      11.10 us 3938189.55 us         190604    FINODELK
      1.82     425.12 us      32.12 us  663207.46 us          94843       FSYNC
     11.43    2187.65 us      72.21 us 4245933.36 us         116005       WRITE
     16.73   21132.03 us      14.12 us 4031333.55 us          17576      LOOKUP
     66.20   15737.71 us      69.72 us 6429153.50 us          93418        READ
 
    Duration: 11011 seconds
   Data Read: 4863622768 bytes
Data Written: 8447544320 bytes
 
Interval 6 Stats:
   Block Size:                512b+                1024b+                2048b+ 
 No. of Reads:                    0                     0                     0 
No. of Writes:                    3                   109                     5 
 
   Block Size:               4096b+                8192b+               16384b+ 
 No. of Reads:                 6829                   259                     5 
No. of Writes:                  228                   230                    13 
 
   Block Size:              32768b+               65536b+              131072b+ 
 No. of Reads:                    0                   175                     0 
No. of Writes:                    4                     2                    12 
 
   Block Size:             262144b+              524288b+ 
 No. of Reads:                    0                     0 
No. of Writes:                   12                     2 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us              7     RELEASE
      0.00       0.00 us       0.00 us       0.00 us             25  RELEASEDIR
      0.00      74.17 us      74.17 us      74.17 us              1 REMOVEXATTR
      0.00      89.45 us      89.45 us      89.45 us              1     SETATTR
      0.00      33.25 us      16.33 us      64.78 us              4    GETXATTR
      0.00      70.61 us      52.42 us     153.99 us              7        OPEN
      0.00      37.55 us       1.95 us      64.59 us             25     OPENDIR
      0.00      30.14 us      18.44 us      44.04 us             53      STATFS
      0.00     275.53 us     155.69 us     765.06 us              6     READDIR
      0.00    2352.74 us    2352.74 us    2352.74 us              1    READDIRP
      0.01      43.65 us      29.55 us      73.65 us             76       FSTAT
      0.05     149.19 us      25.96 us     227.32 us            171      LOOKUP
      0.06      25.33 us      11.55 us      59.71 us           1236    FINODELK
      0.15     130.28 us      50.48 us     244.99 us            609       FSYNC
      0.26     113.48 us      78.80 us     565.69 us           1237    FXATTROP
      0.27     237.31 us      80.85 us    2140.21 us            620       WRITE
     10.35  142923.57 us      15.02 us  887933.44 us             39     INODELK
     88.84    6582.39 us      75.54 us 3820683.07 us           7268        READ
 
    Duration: 26 seconds
   Data Read: 41644032 bytes
Data Written: 11333120 bytes
 
Brick: 10.32.9.21:/data/gfs/bricks/bricka/ovirt-data
----------------------------------------------------
Cumulative Stats:
   Block Size:                  1b+ 
 No. of Reads:                    0 
No. of Writes:               583084 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us              1      FORGET
      0.00       0.00 us       0.00 us       0.00 us           1506     RELEASE
      0.00       0.00 us       0.00 us       0.00 us          11330  RELEASEDIR
      0.16      41.96 us       1.09 us     174.18 us           2000     OPENDIR
      0.53     882.55 us      15.33 us    7388.53 us            313     INODELK
      0.61     785.26 us      15.23 us    2483.07 us            410     READDIR
      0.78    2944.84 us      50.45 us   13138.61 us            139        OPEN
      1.04    1439.59 us       8.75 us   13801.35 us            379    GETXATTR
      4.69      28.29 us      10.98 us   51214.69 us          87008    FINODELK
      9.29      34.56 us      14.65 us   81798.39 us         141069       WRITE
     19.62     601.79 us      13.34 us   82349.56 us          17113      LOOKUP
     21.24     128.13 us      74.02 us    5590.59 us          87026    FXATTROP
     42.05     509.22 us      38.18 us  285202.84 us          43355       FSYNC
 
    Duration: 12343 seconds
   Data Read: 0 bytes
Data Written: 583084 bytes
 
Interval 6 Stats:
   Block Size:                  1b+ 
 No. of Reads:                    0 
No. of Writes:                  820 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us             14     RELEASE
      0.00       0.00 us       0.00 us       0.00 us             25  RELEASEDIR
      0.26      54.89 us      17.77 us      76.95 us              9    GETXATTR
      0.54      73.00 us      50.45 us     123.40 us             14        OPEN
      0.55      41.66 us       1.43 us      58.76 us             25     OPENDIR
      0.88     278.14 us     157.59 us     394.86 us              6     READDIR
      0.97      40.13 us      17.39 us     342.49 us             46     INODELK
      9.81      34.88 us      16.20 us    3058.74 us            534    FINODELK
     14.96      34.64 us      16.51 us     177.38 us            820       WRITE
     17.10     168.21 us      24.51 us     323.55 us            193      LOOKUP
     17.52     127.46 us      46.97 us     299.68 us            261       FSYNC
     37.41     133.00 us      80.38 us     341.49 us            534    FXATTROP
 
    Duration: 26 seconds
   Data Read: 0 bytes
Data Written: 820 bytes
 
Brick: 10.32.9.21:/data0/gfs/bricks/brick1/ovirt-data
-----------------------------------------------------
Cumulative Stats:
   Block Size:                256b+                 512b+                1024b+ 
 No. of Reads:                   11                    66                     2 
No. of Writes:                    2                  5586                 50158 
 
   Block Size:               2048b+                4096b+                8192b+ 
 No. of Reads:                    4                 52513                 93336 
No. of Writes:                10281                142655                230190 
 
   Block Size:              16384b+               32768b+               65536b+ 
 No. of Reads:                 7241                  1565                 19639 
No. of Writes:                46705                 15906                 16639 
 
   Block Size:             131072b+              262144b+              524288b+ 
 No. of Reads:                 1874                  4071                    24 
No. of Writes:                12317                 19939                  1278 
 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us              2      FORGET
      0.00       0.00 us       0.00 us       0.00 us           1255     RELEASE
      0.00       0.00 us       0.00 us       0.00 us          11357  RELEASEDIR
      0.03      45.76 us      13.86 us    9356.79 us           1679        STAT
      0.03      46.01 us       1.04 us     772.13 us           2000     OPENDIR
      0.04     326.97 us      10.29 us    2391.56 us            353    GETXATTR
      0.05      51.07 us      29.86 us     540.78 us           2522       FSTAT
      0.05     313.16 us      16.18 us    5815.42 us            491     INODELK
      0.07     883.53 us      45.88 us    6148.85 us            221        OPEN
      0.08      41.10 us      18.98 us    9889.16 us           5346      STATFS
      0.12     856.40 us      15.78 us    4414.06 us            410     READDIR
      0.14     225.48 us     143.72 us     926.43 us           1710    READDIRP
      1.41      29.62 us      10.80 us  110711.59 us         135572    FINODELK
      3.66     587.34 us      15.19 us   61302.68 us          17766      LOOKUP
      5.95     125.02 us      49.28 us   17686.93 us         135539    FXATTROP
      6.44     279.71 us      35.58 us  407061.84 us          65554       FSYNC
     19.89     476.93 us      75.41 us  440395.70 us         118787       WRITE
     62.04    4088.32 us      78.00 us  503162.29 us          43217        READ
 
    Duration: 12343 seconds
   Data Read: 4610277422 bytes
Data Written: 16792466262 bytes
 
Interval 6 Stats:
   Block Size:                512b+                1024b+                4096b+ 
 No. of Reads:                    0                     0                    70 
No. of Writes:                   13                     2                   405 
 
   Block Size:               8192b+               16384b+               32768b+ 
 No. of Reads:                  342                     5                     0 
No. of Writes:                  357                   115                    16 
 
   Block Size:              65536b+              131072b+              262144b+ 
 No. of Reads:                  168                     0                     0 
No. of Writes:                   25                    19                    62 
 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us              9     RELEASE
      0.00       0.00 us       0.00 us       0.00 us             25  RELEASEDIR
      0.01      35.71 us      24.38 us      65.77 us             15        STAT
      0.02      44.49 us       1.68 us      67.87 us             25     OPENDIR
      0.02     126.43 us      52.25 us     398.25 us              9        OPEN
      0.02      51.99 us      32.93 us     109.37 us             26       FSTAT
      0.03     256.51 us     145.04 us     360.84 us              6     READDIR
      0.03      33.20 us      20.54 us      47.63 us             53      STATFS
      0.03     185.61 us      12.72 us    1214.94 us             10    GETXATTR
      0.07      94.06 us      17.46 us    2439.30 us             45     INODELK
      0.08     213.94 us     177.04 us     383.69 us             21    READDIRP
      0.26      29.48 us      15.33 us      71.02 us            521    FINODELK
      0.48     159.48 us      21.99 us     327.94 us            173      LOOKUP
      1.22     136.16 us      84.01 us     461.36 us            521    FXATTROP
      4.60    1098.76 us      46.07 us  205950.17 us            243       FSYNC
      8.03     459.44 us      85.85 us   21485.20 us           1014       WRITE
     85.10    8442.50 us     119.17 us  309111.15 us            585        READ
 
    Duration: 26 seconds
   Data Read: 14180352 bytes
Data Written: 40480256 bytes
 
Brick: 10.32.9.20:/data0/gfs/bricks/brick1/ovirt-data
-----------------------------------------------------
Cumulative Stats:
   Block Size:                256b+                 512b+                1024b+ 
 No. of Reads:                    4                   109                    21 
No. of Writes:                    0                   460                 54715 
 
   Block Size:               2048b+                4096b+                8192b+ 
 No. of Reads:                   42                 45163                 54896 
No. of Writes:                 8883                212986                162092 
 
   Block Size:              16384b+               32768b+               65536b+ 
 No. of Reads:                 7020                  1175                 20888 
No. of Writes:                48288                 16340                 24443 
 
   Block Size:             131072b+              262144b+              524288b+ 
 No. of Reads:                 1408                  2923                     9 
No. of Writes:                19159                 26333                   792 
 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us            514     RELEASE
      0.00       0.00 us       0.00 us       0.00 us           6838  RELEASEDIR
      0.00      59.50 us      14.59 us     546.30 us             41    GETXATTR
      0.00     220.10 us      16.62 us     988.45 us             50     READDIR
      0.00     104.05 us      39.98 us     497.56 us            139        OPEN
      0.00      48.49 us      15.80 us    3469.09 us            315     INODELK
      0.01      50.94 us       1.65 us    1573.96 us           1820     OPENDIR
      0.03     215.71 us     153.61 us    2562.55 us           1710    READDIRP
      0.03      69.86 us      18.77 us  125905.96 us           5346      STATFS
      0.07     141.42 us      16.04 us  655589.61 us           6984       FSTAT
      0.08     659.41 us      12.89 us  523421.21 us           1679        STAT
      1.24    1008.30 us      19.19 us 1534952.31 us          16933      LOOKUP
      1.30     204.65 us      11.71 us 1749236.34 us          87007    FINODELK
      1.48     233.96 us      73.33 us 1784231.76 us          87026    FXATTROP
     12.57    3983.58 us      39.91 us 2743546.94 us          43355       FSYNC
     41.38   12734.21 us      79.14 us 2966713.52 us          44635        READ
     41.80    4069.99 us      77.68 us 2638579.30 us         141069       WRITE
 
    Duration: 9900 seconds
   Data Read: 3717300328 bytes
Data Written: 21265203712 bytes
 
Interval 6 Stats:
   Block Size:                512b+                1024b+                2048b+ 
 No. of Reads:                    0                     0                     0 
No. of Writes:                    3                    39                     2 
 
   Block Size:               4096b+                8192b+               16384b+ 
 No. of Reads:                  381                   294                    20 
No. of Writes:                   83                   467                    47 
 
   Block Size:              32768b+               65536b+              131072b+ 
 No. of Reads:                    0                   264                     0 
No. of Writes:                   32                    35                    41 
 
   Block Size:             262144b+              524288b+ 
 No. of Reads:                    0                     0 
No. of Writes:                   65                     6 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us             14     RELEASE
      0.00       0.00 us       0.00 us       0.00 us             25  RELEASEDIR
      0.00      55.58 us      15.93 us      93.98 us              8    GETXATTR
      0.00      37.21 us      25.04 us      59.45 us             15        STAT
      0.01      69.47 us      46.35 us     141.23 us             14        OPEN
      0.01      26.67 us      18.22 us      49.45 us             46     INODELK
      0.01      49.56 us       2.58 us     143.98 us             25     OPENDIR
      0.01      34.60 us      18.77 us     126.90 us             53      STATFS
      0.01     355.56 us     149.60 us     988.45 us              6     READDIR
      0.02      41.77 us      21.14 us      73.50 us             72       FSTAT
      0.02     215.13 us     169.65 us     274.27 us             21    READDIRP
      0.08      29.04 us      13.69 us      66.67 us            534    FINODELK
      0.17     160.73 us      23.54 us     321.76 us            193      LOOKUP
      0.39     135.86 us      77.40 us    1627.16 us            534    FXATTROP
      4.78    1072.78 us      86.42 us  197615.21 us            820       WRITE
     19.40   13686.01 us      47.75 us 1796049.15 us            261       FSYNC
     75.09   14420.80 us      94.10 us 2221701.71 us            959        READ
 
    Duration: 26 seconds
   Data Read: 21602304 bytes
Data Written: 49301504 bytes
 
Brick: 10.32.9.20:/data/gfs/bricks/bricka/ovirt-data
----------------------------------------------------
Cumulative Stats:
   Block Size:                  1b+ 
 No. of Reads:                    0 
No. of Writes:               549022 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us              2      FORGET
      0.00       0.00 us       0.00 us       0.00 us           1065     RELEASE
      0.00       0.00 us       0.00 us       0.00 us           6838  RELEASEDIR
      0.01      53.35 us      12.82 us     228.91 us             57    GETXATTR
      0.02     194.83 us      14.90 us     878.82 us             50     READDIR
      0.04      43.27 us      15.72 us     322.38 us            491     INODELK
      0.04      97.28 us      41.17 us     432.99 us            221        OPEN
      0.16      53.03 us       1.74 us     501.22 us           1820     OPENDIR
      7.40      33.07 us      11.38 us   68417.92 us         135575    FINODELK
      9.15      46.66 us      14.70 us   55440.51 us         118787       WRITE
     26.84     925.03 us      16.53 us  280142.79 us          17586      LOOKUP
     27.29     252.34 us      34.94 us  251521.50 us          65555       FSYNC
     29.08     130.03 us      50.81 us   55731.00 us         135539    FXATTROP
 
    Duration: 9900 seconds
   Data Read: 0 bytes
Data Written: 549022 bytes
 
Interval 6 Stats:
   Block Size:                  1b+ 
 No. of Reads:                    0 
No. of Writes:                 1014 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us              9     RELEASE
      0.00       0.00 us       0.00 us       0.00 us             25  RELEASEDIR
      0.11      43.98 us      15.40 us      84.40 us              5    GETXATTR
      0.44      95.58 us      51.84 us     164.84 us              9        OPEN
      0.62      48.41 us       2.33 us      70.35 us             25     OPENDIR
      0.72      31.10 us      17.28 us     117.76 us             45     INODELK
      0.98     318.59 us     154.88 us     878.82 us              6     READDIR
      9.45      35.24 us      14.72 us    2246.13 us            521    FINODELK
     14.32     160.73 us      22.70 us     316.55 us            173      LOOKUP
     17.04     135.61 us      56.40 us    1874.03 us            244       FSYNC
     19.01      36.40 us      16.78 us    2947.68 us           1014       WRITE
     37.30     139.06 us      85.48 us    1078.96 us            521    FXATTROP
 
    Duration: 26 seconds
   Data Read: 0 bytes
Data Written: 1014 bytes
 
Brick: 10.32.9.8:/data/gfs/bricks/bricka/ovirt-data
---------------------------------------------------
Cumulative Stats:
   Block Size:                  1b+ 
 No. of Reads:                    0 
No. of Writes:               372917 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us            608     RELEASE
      0.00       0.00 us       0.00 us       0.00 us           8719  RELEASEDIR
      0.00      23.65 us      15.42 us      47.19 us             75       FLUSH
      0.01      86.28 us      57.99 us     148.82 us             85 REMOVEXATTR
      0.01      90.74 us      67.34 us     130.94 us             85     SETATTR
      0.01      73.83 us      11.11 us     236.42 us            133    GETXATTR
      0.02      83.84 us      41.98 us     499.27 us            146        OPEN
      0.03      33.97 us      12.62 us     315.20 us            564     INODELK
      0.06     316.19 us      16.57 us    1296.89 us            141     READDIR
      0.13      49.96 us       1.25 us     911.95 us           1865     OPENDIR
      7.61      27.61 us      11.45 us   86619.65 us         190604    FINODELK
      9.35      55.71 us      14.57 us  117405.17 us         116005       WRITE
     25.18     183.50 us      32.55 us  187376.40 us          94843       FSYNC
     25.95    1022.20 us      15.51 us  136924.46 us          17546      LOOKUP
     31.63     114.64 us      48.10 us   68557.92 us         190742    FXATTROP
 
    Duration: 11059 seconds
   Data Read: 0 bytes
Data Written: 372917 bytes
 
Interval 6 Stats:
   Block Size:                  1b+ 
 No. of Reads:                    0 
No. of Writes:                  620 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us              7     RELEASE
      0.00       0.00 us       0.00 us       0.00 us             25  RELEASEDIR
      0.02      96.14 us      96.14 us      96.14 us              1     SETATTR
      0.02     102.92 us     102.92 us     102.92 us              1 REMOVEXATTR
      0.13      84.08 us      51.75 us     221.40 us              7        OPEN
      0.13      61.82 us      16.08 us     159.35 us             10    GETXATTR
      0.25      46.62 us       1.88 us      77.92 us             25     OPENDIR
      0.27      32.45 us      17.59 us     152.92 us             39     INODELK
      0.34     261.02 us     153.06 us     363.57 us              6     READDIR
      4.63      34.65 us      16.37 us      80.81 us            620       WRITE
      5.77     156.66 us      22.46 us     304.56 us            171      LOOKUP
      7.34      27.58 us      14.15 us     781.04 us           1236    FINODELK
     31.07     116.50 us      78.86 us     261.81 us           1238    FXATTROP
     50.02     381.21 us      39.71 us  149969.67 us            609       FSYNC
 
    Duration: 26 seconds
   Data Read: 0 bytes
Data Written: 620 bytes
 
Brick: 10.32.9.8:/data0/gfs/bricks/brick1/ovirt-data
----------------------------------------------------
Cumulative Stats:
   Block Size:                256b+                 512b+                1024b+ 
 No. of Reads:                    8                  1096                   109 
No. of Writes:                    0                   460                 54715 
 
   Block Size:               2048b+                4096b+                8192b+ 
 No. of Reads:                  115                111912                132663 
No. of Writes:                 8883                212986                162092 
 
   Block Size:              16384b+               32768b+               65536b+ 
 No. of Reads:                27012                  2879                 35570 
No. of Writes:                48288                 16340                 24443 
 
   Block Size:             131072b+              262144b+              524288b+ 
 No. of Reads:                 3743                  7207                    32 
No. of Writes:                19159                 26333                   792 
 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us              1      FORGET
      0.00       0.00 us       0.00 us       0.00 us           1137     RELEASE
      0.00       0.00 us       0.00 us       0.00 us           8740  RELEASEDIR
      0.00      43.88 us      10.83 us     250.84 us            124    GETXATTR
      0.00     120.62 us      44.65 us     762.18 us            139        OPEN
      0.01     206.40 us      12.21 us     864.86 us            141     READDIR
      0.02      43.05 us       1.44 us     452.74 us           1865     OPENDIR
      0.05    2104.16 us    1920.14 us    2569.20 us             85    READDIRP
      0.05      36.26 us      19.25 us     347.13 us           5346      STATFS
      0.08      35.13 us      16.14 us     340.33 us           8148       FSTAT
      0.63      27.73 us      11.02 us   73986.88 us          87007    FINODELK
      1.53     134.48 us      38.31 us   90956.10 us          43355       FSYNC
      1.73     388.39 us      15.69 us   62037.95 us          16978      LOOKUP
      2.63   31993.13 us      16.10 us  888210.80 us            314     INODELK
      2.93     128.32 us      73.56 us   45501.15 us          87026    FXATTROP
      8.70     235.34 us      76.95 us  172924.48 us         141069       WRITE
     81.65    3612.62 us      74.71 us  427304.61 us          86246        READ
 
    Duration: 11059 seconds
   Data Read: 8285158628 bytes
Data Written: 21265203712 bytes
 
Interval 6 Stats:
   Block Size:                512b+                1024b+                2048b+ 
 No. of Reads:                    0                     0                     0 
No. of Writes:                    3                    39                     2 
 
   Block Size:               4096b+                8192b+               16384b+ 
 No. of Reads:                 4976                   418                    10 
No. of Writes:                   83                   467                    47 
 
   Block Size:              32768b+               65536b+              131072b+ 
 No. of Reads:                    0                   264                     0 
No. of Writes:                   32                    35                    41 
 
   Block Size:             262144b+              524288b+ 
 No. of Reads:                    0                     0 
No. of Writes:                   65                     6 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us             14     RELEASE
      0.00       0.00 us       0.00 us       0.00 us             25  RELEASEDIR
      0.00      51.92 us      14.43 us      92.40 us              9    GETXATTR
      0.01      40.96 us       1.87 us      66.77 us             25     OPENDIR
      0.01      75.90 us      55.90 us     118.42 us             14        OPEN
      0.01     236.50 us     152.98 us     361.08 us              6     READDIR
      0.01      32.60 us      22.90 us      46.88 us             53      STATFS
      0.01    2244.32 us    2244.32 us    2244.32 us              1    READDIRP
      0.02      38.95 us      19.17 us      88.64 us             84       FSTAT
      0.10      28.63 us      16.14 us     161.63 us            534    FINODELK
      0.20     160.39 us      23.30 us     348.09 us            193      LOOKUP
      0.38     226.64 us      49.98 us   20602.07 us            261       FSYNC
      0.47     137.09 us      84.61 us    5477.48 us            534    FXATTROP
      0.97     181.82 us      86.92 us     637.73 us            820       WRITE
     28.68   96252.17 us      18.55 us  888210.80 us             46     INODELK
     69.12    1882.74 us      79.08 us  157169.15 us           5668        READ
 
    Duration: 26 seconds
   Data Read: 41271296 bytes
Data Written: 49301504 bytes
 
Brick: 10.32.9.3:/data/gfs/bricks/brick3/ovirt-data
---------------------------------------------------
Cumulative Stats:
   Block Size:                256b+                 512b+                1024b+ 
 No. of Reads:                    4                   131                     8 
No. of Writes:                    0                   822                 17574 
 
   Block Size:               2048b+                4096b+                8192b+ 
 No. of Reads:                   16                 35286                 49422 
No. of Writes:                 3335                177490                110247 
 
   Block Size:              16384b+               32768b+               65536b+ 
 No. of Reads:                12220                  1028                 23348 
No. of Writes:                30013                  5366                 10235 
 
   Block Size:             131072b+              262144b+              524288b+ 
 No. of Reads:                  974                  1858                    19 
No. of Writes:                 8375                  8875                   585 
 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us            772     RELEASE
      0.00       0.00 us       0.00 us       0.00 us          10592  RELEASEDIR
      0.00      76.27 us      14.39 us     255.33 us             38    GETXATTR
      0.00      56.50 us      19.21 us     185.55 us             75       FLUSH
      0.00     150.43 us      76.71 us     292.39 us             85 REMOVEXATTR
      0.00     157.91 us      97.76 us     237.19 us             85     SETATTR
      0.00     308.86 us      26.64 us    1991.99 us             51     READDIR
      0.01     183.93 us      62.86 us    1362.63 us            146        OPEN
      0.01      73.43 us      23.05 us     777.89 us            564     INODELK
      0.03      75.13 us      23.73 us     337.63 us           1679        STAT
      0.03      89.35 us       1.99 us    1982.01 us           1820     OPENDIR
      0.09      79.36 us      24.79 us     805.05 us           5346      STATFS
      0.11     106.63 us      41.73 us    1740.16 us           5044       FSTAT
      0.15     262.43 us      91.17 us    4453.28 us           2680    READDIRP
      2.38      58.64 us      13.90 us   26031.44 us         190605    FINODELK
      3.35     898.17 us      25.36 us  119501.01 us          17501      LOOKUP
      6.60     326.75 us      45.00 us  283828.60 us          94843       FSYNC
      7.89     194.27 us      67.03 us  157955.41 us         190743    FXATTROP
     17.21     696.94 us      97.07 us  340140.18 us         116005       WRITE
     62.13    7751.59 us     110.31 us  596087.45 us          37647        READ
 
    Duration: 12343 seconds
   Data Read: 3321340984 bytes
Data Written: 8447544320 bytes
 
Interval 6 Stats:
   Block Size:                512b+                1024b+                2048b+ 
 No. of Reads:                    0                     0                     0 
No. of Writes:                    3                   109                     5 
 
   Block Size:               4096b+                8192b+               16384b+ 
 No. of Reads:                  187                   225                    13 
No. of Writes:                  228                   230                    13 
 
   Block Size:              32768b+               65536b+              131072b+ 
 No. of Reads:                    0                   185                     0 
No. of Writes:                    4                     2                    12 
 
   Block Size:             262144b+              524288b+ 
 No. of Reads:                    0                     0 
No. of Writes:                   12                     2 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us              7     RELEASE
      0.00       0.00 us       0.00 us       0.00 us             25  RELEASEDIR
      0.00     173.56 us     173.56 us     173.56 us              1 REMOVEXATTR
      0.00     190.79 us     190.79 us     190.79 us              1     SETATTR
      0.01      80.71 us      20.92 us     143.06 us              5    GETXATTR
      0.01     163.10 us     113.71 us     277.38 us              7        OPEN
      0.01      76.13 us      26.98 us     125.17 us             15        STAT
      0.02      77.17 us       1.99 us     133.67 us             25     OPENDIR
      0.03      61.12 us      30.85 us     227.60 us             39     INODELK
      0.05     656.71 us     271.17 us    1991.99 us              6     READDIR
      0.05      75.47 us      32.20 us     361.18 us             53      STATFS
      0.07     110.87 us      59.06 us     160.47 us             52       FSTAT
      0.11     249.69 us     108.39 us     447.56 us             34    READDIRP
      0.50     231.83 us      29.43 us     677.06 us            171      LOOKUP
      0.91      58.52 us      20.49 us     999.15 us           1238    FINODELK
      2.45     319.84 us      67.30 us    4499.21 us            609       FSYNC
      2.79     356.93 us     114.39 us    4840.74 us            620       WRITE
      3.02     193.78 us     110.23 us    2600.12 us           1239    FXATTROP
     89.95   11709.07 us     151.63 us  198748.33 us            610        READ
 
    Duration: 26 seconds
   Data Read: 14946304 bytes
Data Written: 11333120 bytes
 


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