[Gluster-users] Geo-replication: Entry not present on master. Fixing gfid mismatch in slave

David Cunningham dcunningham at voisonics.com
Wed Jun 10 03:37:35 UTC 2020


Hi Strahil,

Thank you for that. Do you know if these "Stale file handle" errors on the
geo-replication slave could be related?

[2020-06-10 01:02:32.268989] E [MSGID: 109040]
[dht-helper.c:1332:dht_migration_complete_check_task] 0-gvol0-dht:
/.gfid/d4265a0c-d881-48d8-8ca1-0920ab5ae9ba: failed to lookup the file on
gvol0-dht [Stale file handle]
[2020-06-10 01:02:32.269092] W [fuse-bridge.c:897:fuse_attr_cbk]
0-glusterfs-fuse: 7434237: STAT()
/.gfid/d4265a0c-d881-48d8-8ca1-0920ab5ae9ba => -1 (Stale file handle)
[2020-06-10 01:02:32.329280] W [fuse-bridge.c:897:fuse_attr_cbk]
0-glusterfs-fuse: 7434251: STAT()
/.gfid/d4265a0c-d881-48d8-8ca1-0920ab5ae9ba => -1 (Stale file handle)
[2020-06-10 01:02:32.387129] W [fuse-bridge.c:897:fuse_attr_cbk]
0-glusterfs-fuse: 7434264: STAT()
/.gfid/d4265a0c-d881-48d8-8ca1-0920ab5ae9ba => -1 (Stale file handle)
[2020-06-10 01:02:32.448838] W [fuse-bridge.c:897:fuse_attr_cbk]
0-glusterfs-fuse: 7434277: STAT()
/.gfid/d4265a0c-d881-48d8-8ca1-0920ab5ae9ba => -1 (Stale file handle)
[2020-06-10 01:02:32.507196] W [fuse-bridge.c:897:fuse_attr_cbk]
0-glusterfs-fuse: 7434290: STAT()
/.gfid/d4265a0c-d881-48d8-8ca1-0920ab5ae9ba => -1 (Stale file handle)
[2020-06-10 01:02:32.566033] W [fuse-bridge.c:897:fuse_attr_cbk]
0-glusterfs-fuse: 7434303: STAT()
/.gfid/d4265a0c-d881-48d8-8ca1-0920ab5ae9ba => -1 (Stale file handle)
[2020-06-10 01:02:32.625168] W [fuse-bridge.c:897:fuse_attr_cbk]
0-glusterfs-fuse: 7434316: STAT()
/.gfid/d4265a0c-d881-48d8-8ca1-0920ab5ae9ba => -1 (Stale file handle)
[2020-06-10 01:02:32.772442] W [fuse-bridge.c:897:fuse_attr_cbk]
0-glusterfs-fuse: 7434329: STAT()
/.gfid/d4265a0c-d881-48d8-8ca1-0920ab5ae9ba => -1 (Stale file handle)
[2020-06-10 01:02:32.832481] W [fuse-bridge.c:897:fuse_attr_cbk]
0-glusterfs-fuse: 7434342: STAT()
/.gfid/d4265a0c-d881-48d8-8ca1-0920ab5ae9ba => -1 (Stale file handle)
[2020-06-10 01:02:32.891835] W [fuse-bridge.c:897:fuse_attr_cbk]
0-glusterfs-fuse: 7434403: STAT()
/.gfid/d4265a0c-d881-48d8-8ca1-0920ab5ae9ba => -1 (Stale file handle)



On Tue, 9 Jun 2020 at 16:31, Strahil Nikolov <hunter86_bg at yahoo.com> wrote:

> Hey David,
>
> Can you check the cpu usage  in the sar on the rest of the cluster (going
> backwards from the day you found the high cpu usage),  so we can know if
> this behaviour was obseerved on other nodes.
>
> Maybe that behaviour was "normal" for the push node (which could be
> another one) .
>
> As  this  script  is python,  I guess  you can put some debug print
> statements in it.
>
> Best Regards,
> Strahil Nikolov
>
> На 9 юни 2020 г. 5:07:11 GMT+03:00, David Cunningham <
> dcunningham at voisonics.com> написа:
> >Hi Sankarshan,
> >
> >Thanks for that. So what should we look for to figure out what this
> >process
> >is doing? In
> >/var/log/glusterfs/geo-replication/gvol0_nvfs10_gvol0/gsyncd.log we see
> >something like the following logged regularly:
> >
> >
> >[[2020-06-09 02:01:19.670595] D [master(worker
> >/nodirectwritedata/gluster/gvol0):1454:changelogs_batch_process]
> >_GMaster:
> >processing changes
>
> >batch=['/var/lib/misc/gluster/gsyncd/gvol0_nvfs10_gvol0/nodirectwritedata-gluster-gvol0/.processing/CHANGELOG.1591668040',
>
> >'/var/lib/misc/gluster/gsyncd/gvol0_nvfs10_gvol0/nodirectwritedata-gluster-gvol0/.processing/CHANGELOG.1591668055']
> >[2020-06-09 02:01:19.674927] D [master(worker
> >/nodirectwritedata/gluster/gvol0):1289:process] _GMaster: processing
> >change
> >
>
> >changelog=/var/lib/misc/gluster/gsyncd/gvol0_nvfs10_gvol0/nodirectwritedata-gluster-gvol0/.processing/CHANGELOG.1591668040
> >[2020-06-09 02:01:19.683098] D [master(worker
> >/nodirectwritedata/gluster/gvol0):1170:process_change] _GMaster:
> >entries: []
> >[2020-06-09 02:01:19.695125] D [master(worker
> >/nodirectwritedata/gluster/gvol0):312:a_syncdata] _GMaster: files
> >files=set(['.gfid/0f98f9cd-1800-4c0f-b449-edcd7446bf17',
> >'.gfid/512b4710-5af7-4e5a-8f3a-0a3dece42f77',
> >'.gfid/779cd2b3-1571-446a-8903-48d6183d3dd0',
> >'.gfid/8ae32eec-f766-4cd9-a788-4561ba1fa435'])
> >[2020-06-09 02:01:19.695344] D [master(worker
> >/nodirectwritedata/gluster/gvol0):315:a_syncdata] _GMaster: candidate
> >for
> >syncing file=.gfid/0f98f9cd-1800-4c0f-b449-edcd7446bf17
> >[2020-06-09 02:01:19.695508] D [master(worker
> >/nodirectwritedata/gluster/gvol0):315:a_syncdata] _GMaster: candidate
> >for
> >syncing file=.gfid/512b4710-5af7-4e5a-8f3a-0a3dece42f77
> >[2020-06-09 02:01:19.695638] D [master(worker
> >/nodirectwritedata/gluster/gvol0):315:a_syncdata] _GMaster: candidate
> >for
> >syncing file=.gfid/779cd2b3-1571-446a-8903-48d6183d3dd0
> >[2020-06-09 02:01:19.695759] D [master(worker
> >/nodirectwritedata/gluster/gvol0):315:a_syncdata] _GMaster: candidate
> >for
> >syncing file=.gfid/8ae32eec-f766-4cd9-a788-4561ba1fa435
> >[2020-06-09 02:01:19.695883] D [master(worker
> >/nodirectwritedata/gluster/gvol0):1289:process] _GMaster: processing
> >change
> >
>
> >changelog=/var/lib/misc/gluster/gsyncd/gvol0_nvfs10_gvol0/nodirectwritedata-gluster-gvol0/.processing/CHANGELOG.1591668055
> >[2020-06-09 02:01:19.696170] D [master(worker
> >/nodirectwritedata/gluster/gvol0):1170:process_change] _GMaster:
> >entries: []
> >[2020-06-09 02:01:19.714097] D [master(worker
> >/nodirectwritedata/gluster/gvol0):312:a_syncdata] _GMaster: files
> >files=set(['.gfid/0f98f9cd-1800-4c0f-b449-edcd7446bf17',
> >'.gfid/512b4710-5af7-4e5a-8f3a-0a3dece42f77',
> >'.gfid/8ae32eec-f766-4cd9-a788-4561ba1fa435'])
> >[2020-06-09 02:01:19.714286] D [master(worker
> >/nodirectwritedata/gluster/gvol0):315:a_syncdata] _GMaster: candidate
> >for
> >syncing file=.gfid/0f98f9cd-1800-4c0f-b449-edcd7446bf17
> >[2020-06-09 02:01:19.714433] D [master(worker
> >/nodirectwritedata/gluster/gvol0):315:a_syncdata] _GMaster: candidate
> >for
> >syncing file=.gfid/512b4710-5af7-4e5a-8f3a-0a3dece42f77
> >[2020-06-09 02:01:19.714577] D [master(worker
> >/nodirectwritedata/gluster/gvol0):315:a_syncdata] _GMaster: candidate
> >for
> >syncing file=.gfid/8ae32eec-f766-4cd9-a788-4561ba1fa435
> >[2020-06-09 02:01:20.179656] D [resource(worker
> >/nodirectwritedata/gluster/gvol0):1419:rsync] SSH: files:
> >.gfid/0f98f9cd-1800-4c0f-b449-edcd7446bf17,
> >.gfid/512b4710-5af7-4e5a-8f3a-0a3dece42f77,
> >.gfid/779cd2b3-1571-446a-8903-48d6183d3dd0,
> >.gfid/8ae32eec-f766-4cd9-a788-4561ba1fa435,
> >.gfid/0f98f9cd-1800-4c0f-b449-edcd7446bf17,
> >.gfid/512b4710-5af7-4e5a-8f3a-0a3dece42f77,
> >.gfid/8ae32eec-f766-4cd9-a788-4561ba1fa435
> >[2020-06-09 02:01:20.738632] I [master(worker
> >/nodirectwritedata/gluster/gvol0):1954:syncjob] Syncer: Sync Time Taken
> >duration=0.5588 num_files=7     job=2   return_code=0
> >[2020-06-09 02:01:20.739650] D [master(worker
> >/nodirectwritedata/gluster/gvol0):321:regjob] _GMaster: synced
> > file=.gfid/0f98f9cd-1800-4c0f-b449-edcd7446bf17
> >[2020-06-09 02:01:20.740041] D [master(worker
> >/nodirectwritedata/gluster/gvol0):321:regjob] _GMaster: synced
> > file=.gfid/512b4710-5af7-4e5a-8f3a-0a3dece42f77
> >[2020-06-09 02:01:20.740200] D [master(worker
> >/nodirectwritedata/gluster/gvol0):321:regjob] _GMaster: synced
> > file=.gfid/779cd2b3-1571-446a-8903-48d6183d3dd0
> >[2020-06-09 02:01:20.740343] D [master(worker
> >/nodirectwritedata/gluster/gvol0):321:regjob] _GMaster: synced
> > file=.gfid/8ae32eec-f766-4cd9-a788-4561ba1fa435
> >[2020-06-09 02:01:20.740482] D [master(worker
> >/nodirectwritedata/gluster/gvol0):321:regjob] _GMaster: synced
> > file=.gfid/0f98f9cd-1800-4c0f-b449-edcd7446bf17
> >[2020-06-09 02:01:20.740616] D [master(worker
> >/nodirectwritedata/gluster/gvol0):321:regjob] _GMaster: synced
> > file=.gfid/512b4710-5af7-4e5a-8f3a-0a3dece42f77
> >[2020-06-09 02:01:20.740741] D [master(worker
> >/nodirectwritedata/gluster/gvol0):321:regjob] _GMaster: synced
> > file=.gfid/8ae32eec-f766-4cd9-a788-4561ba1fa435
> >[2020-06-09 02:01:20.745385] D [repce(worker
> >/nodirectwritedata/gluster/gvol0):196:push] RepceClient: call
> >22499:140085349934848:1591668080.75
>
> >done('/var/lib/misc/gluster/gsyncd/gvol0_nvfs10_gvol0/nodirectwritedata-gluster-gvol0/.processing/CHANGELOG.1591668040',)
> >...
> >[2020-06-09 02:01:20.746252] D [repce(worker
> >/nodirectwritedata/gluster/gvol0):216:__call__] RepceClient: call
> >22499:140085349934848:1591668080.75 done -> None
> >[2020-06-09 02:01:20.746515] D [repce(worker
> >/nodirectwritedata/gluster/gvol0):196:push] RepceClient: call
> >22499:140085349934848:1591668080.75
>
> >done('/var/lib/misc/gluster/gsyncd/gvol0_nvfs10_gvol0/nodirectwritedata-gluster-gvol0/.processing/CHANGELOG.1591668055',)
> >...
> >[2020-06-09 02:01:20.747045] D [repce(worker
> >/nodirectwritedata/gluster/gvol0):216:__call__] RepceClient: call
> >22499:140085349934848:1591668080.75 done -> None
> >[2020-06-09 02:01:31.364780] I [gsyncd(config-get):308:main] <top>:
> >Using
> >session config file
> >path=/var/lib/glusterd/geo-replication/gvol0_nvfs10_gvol0/gsyncd.conf
> >[2020-06-09 02:01:31.458915] I [gsyncd(status):308:main] <top>: Using
> >session config file
> >path=/var/lib/glusterd/geo-replication/gvol0_nvfs10_gvol0/gsyncd.conf
> >[2020-06-09 02:01:32.156028] I [gsyncd(config-get):308:main] <top>:
> >Using
> >session config file
> >path=/var/lib/glusterd/geo-replication/gvol0_nvfs10_gvol0/gsyncd.conf
> >[2020-06-09 02:01:32.250082] I [gsyncd(status):308:main] <top>: Using
> >session config file
> >path=/var/lib/glusterd/geo-replication/gvol0_nvfs10_gvol0/gsyncd.conf
> >[2020-06-09 02:01:33.778866] I [master(worker
> >/nodirectwritedata/gluster/gvol0):1384:process] _GMaster: Entry Time
> >Taken
> >       MKD=0   MKN=0   LIN=0   SYM=0   REN=0   RMD=0   CRE=0
> >duration=0.0000 UNL=0
> >[2020-06-09 02:01:33.779000] I [master(worker
> >/nodirectwritedata/gluster/gvol0):1394:process] _GMaster: Data/Metadata
> >Time Taken        SETA=0  SETX=0  meta_duration=0.0000
> > data_duration=14.0839   DATA=11 XATT=0
> >[2020-06-09 02:01:33.779195] I [master(worker
> >/nodirectwritedata/gluster/gvol0):1404:process] _GMaster: Batch
> >Completed
> >changelog_end=1591668055        entry_stime=(1591668024, 0)
> >changelog_start=1591668040      stime=(1591668054, 0)
> >duration=14.1043
> >     num_changelogs=2        mode=live_changelog
> >[2020-06-09 02:01:35.337511] I [gsyncd(config-get):308:main] <top>:
> >Using
> >session config file
> >path=/var/lib/glusterd/geo-replication/gvol0_nvfs10_gvol0/gsyncd.conf
> >[2020-06-09 02:01:35.432674] I [gsyncd(status):308:main] <top>: Using
> >session config file
> >path=/var/lib/glusterd/geo-replication/gvol0_nvfs10_gvol0/gsyncd.conf
> >[2020-06-09 02:01:38.784449] D [master(worker
> >/nodirectwritedata/gluster/gvol0):551:crawlwrap] _GMaster: ... crawl
> >#18195
> >done, took 32.533401 seconds
> >[2020-06-09 02:01:38.790709] D [repce(worker
> >/nodirectwritedata/gluster/gvol0):196:push] RepceClient: call
> >22499:140085349934848:1591668098.79 scan() ...
> >[2020-06-09 02:01:38.791342] D [repce(worker
> >/nodirectwritedata/gluster/gvol0):216:__call__] RepceClient: call
> >22499:140085349934848:1591668098.79 scan -> None
> >[2020-06-09 02:01:38.791479] D [repce(worker
> >/nodirectwritedata/gluster/gvol0):196:push] RepceClient: call
> >22499:140085349934848:1591668098.79 getchanges() ...
> >[2020-06-09 02:01:38.791989] D [repce(worker
> >/nodirectwritedata/gluster/gvol0):216:__call__] RepceClient: call
> >22499:140085349934848:1591668098.79 getchanges ->
>
> >['/var/lib/misc/gluster/gsyncd/gvol0_nvfs10_gvol0/nodirectwritedata-gluster-gvol0/.processing/CHANGELOG.1591668069',
>
> >'/var/lib/misc/gluster/gsyncd/gvol0_nvfs10_gvol0/nodirectwritedata-gluster-gvol0/.processing/CHANGELOG.1591668083',
>
> >'/var/lib/misc/gluster/gsyncd/gvol0_nvfs10_gvol0/nodirectwritedata-gluster-gvol0/.processing/CHANGELOG.1591668097']
> >[2020-06-09 02:01:38.792114] I [master(worker
> >/nodirectwritedata/gluster/gvol0):1470:crawl] _GMaster: slave's time
> > stime=(1591668054, 0)
> >
> >Something very similar is logged around every 32 seconds, and I notice
> >the
> >log above says the crawl took 32 seconds.
> >
> >
> >On Mon, 8 Jun 2020 at 16:22, sankarshan <sankarshan at kadalu.io> wrote:
> >
> >> Reading through the thread it occurs to me that it would be a
> >stronger
> >> approach to understand the workload (a general description of the
> >> application) and in terms of the releases of GlusterFS running,
> >assess
> >> if there are new issues to be addressed or if existing sets of
> >patches
> >> tend to work. Thanks for setting up the debug level in the log. High
> >> CPU usage by a geo-replication process would need to be traced back
> >to
> >> why it really requires that %-age of CPU if it was not doing so
> >> previously.
> >>
> >> On Mon, 8 Jun 2020 at 05:29, David Cunningham
> ><dcunningham at voisonics.com>
> >> wrote:
> >> >
> >> > Hi Strahil,
> >> >
> >> > The CPU is still quite high, with "top" regularly showing 100% CPU
> >usage
> >> by that process. However it's not clear whether this is really a
> >problem,
> >> or if it's just normal geo-replication activity. While CPU usage was
> >not
> >> previously as high on this server, it's not clear whether GlusterFS
> >might
> >> have made this the "push" node for geo-replication when it used to be
> >some
> >> other server. Having said that, no other server shows a sudden drop
> >in CPU
> >> usage.
> >> >
> >> > Ideally we could find out what the gsyncd process is doing, and
> >> therefore whether it's expected or not. Any ideas on that? We did set
> >the
> >> log level to DEBUG as Sunny suggested.
> >> >
> >> > Looking at
> >>
>
> >/var/log/glusterfs/geo-replication-slaves/gvol0_nvfs10_gvol0/mnt-cafs30-nodirectwritedata-gluster-gvol0.log
> >> on the geo-replication slave, we have a lot of lines like the
> >following
> >> logged.
> >> >
> >> > [2020-06-06 00:32:43.155856] W [fuse-bridge.c:897:fuse_attr_cbk]
> >> 0-glusterfs-fuse: 875853: STAT()
> >> /.gfid/25d78a6c-41a9-4364-84a8-31f5571223ac => -1 (Stale file handle)
> >> > [2020-06-06 00:32:43.219759] W [fuse-bridge.c:897:fuse_attr_cbk]
> >> 0-glusterfs-fuse: 875923: STAT()
> >> /.gfid/25d78a6c-41a9-4364-84a8-31f5571223ac => -1 (Stale file handle)
> >> > [2020-06-06 00:32:43.280357] W [fuse-bridge.c:897:fuse_attr_cbk]
> >> 0-glusterfs-fuse: 876001: STAT()
> >> /.gfid/25d78a6c-41a9-4364-84a8-31f5571223ac => -1 (Stale file handle)
> >> > The message "E [MSGID: 109040]
> >> [dht-helper.c:1332:dht_migration_complete_check_task] 0-gvol0-dht:
> >> /.gfid/25d78a6c-41a9-4364-84a8-31f5571223ac: failed to lookup the
> >file on
> >> gvol0-dht [Stale file handle]" repeated 9 times between [2020-06-06
> >> 00:32:42.689780] and [2020-06-06 00:32:43.280322]
> >> > [2020-06-06 09:03:03.660956] E [MSGID: 109040]
> >> [dht-helper.c:1332:dht_migration_complete_check_task] 0-gvol0-dht:
> >> /.gfid/decdd552-d58b-4ddf-b27a-0da9a6fbc38b: failed to lookup the
> >file on
> >> gvol0-dht [Stale file handle]
> >> > [2020-06-06 09:03:03.661057] W [fuse-bridge.c:897:fuse_attr_cbk]
> >> 0-glusterfs-fuse: 965375: STAT()
> >> /.gfid/decdd552-d58b-4ddf-b27a-0da9a6fbc38b => -1 (Stale file handle)
> >> > [2020-06-06 09:03:10.258798] E [MSGID: 109040]
> >> [dht-helper.c:1332:dht_migration_complete_check_task] 0-gvol0-dht:
> >> /.gfid/1d90e129-d40f-4ca4-bea8-0bb3c4c7985a: failed to lookup the
> >file on
> >> gvol0-dht [Stale file handle]
> >> > [2020-06-06 09:03:10.258880] W [fuse-bridge.c:897:fuse_attr_cbk]
> >> 0-glusterfs-fuse: 969455: STAT()
> >> /.gfid/1d90e129-d40f-4ca4-bea8-0bb3c4c7985a => -1 (Stale file handle)
> >> > [2020-06-06 09:09:41.259362] E [MSGID: 109040]
> >> [dht-helper.c:1332:dht_migration_complete_check_task] 0-gvol0-dht:
> >> /.gfid/740efff6-74dd-45be-847f-66919d1179e0: failed to lookup the
> >file on
> >> gvol0-dht [Stale file handle]
> >> > [2020-06-06 09:09:41.259458] W [fuse-bridge.c:897:fuse_attr_cbk]
> >> 0-glusterfs-fuse: 1040904: STAT()
> >> /.gfid/740efff6-74dd-45be-847f-66919d1179e0 => -1 (Stale file handle)
> >> >
> >> > Could these errors be part of the problem?
> >> >
> >> > Thanks again.
> >> >
> >> >
> >> > On Sat, 6 Jun 2020 at 21:21, Strahil Nikolov
> ><hunter86_bg at yahoo.com>
> >> wrote:
> >> >>
> >> >> Hey David,
> >> >>
> >> >> can you check the old logs for gfid mismatch and get a list  of
> >files
> >> that were causing the high cpu .
> >> >> Maybe they are  related  somehow (maybe created by the same
> >software
> >> ,  same client version or something else) which could help about
> >that.
> >> >>
> >> >> Also  take  a  look in geo-replication-slave logs.
> >> >>
> >> >> Does the issue still occurs ?
> >> >>
> >> >> Best Regards,
> >> >> Strahil Nikolov
> >> >>
> >> >> На 6 юни 2020 г. 1:21:55 GMT+03:00, David Cunningham <
> >> dcunningham at voisonics.com> написа:
> >> >> >Hi Sunny and Strahil,
> >> >> >
> >> >> >Thanks again for your responses. We don't have a lot of renaming
> >> >> >activity -
> >> >> >maybe some, but not a lot. We do have files which are open for
> >writing
> >> >> >for
> >> >> >quite a while - they're call recordings being written as the call
> >> >> >happens.
> >> >> >
> >> >> >We've installed GlusterFS using the Ubuntu packages and I'd
> >really like
> >> >> >to
> >> >> >avoid compiling and applying patches.
> >> >> >
> >> >> >After enabling DEBUG the log at
> >> >> >/var/log/glusterfs/geo-replication/gvol0_nvfs10_gvol0/gsyncd.log
> >> >> >doesn't
> >> >> >seem to show anything very unusual:
> >> >> >
> >> >> >[2020-06-03 02:49:01.992177] I [master(worker
> >> >> >/nodirectwritedata/gluster/gvol0):1384:process] _GMaster: Entry
> >Time
> >> >> >Taken
> >> >> >   MKD=0   MKN=0   LIN=0   SYM=0   REN=0   RMD=0CRE=0
> >duration=0.0000
> >> >> >UNL=0
> >> >> >[2020-06-03 02:49:01.992465] I [master(worker
> >> >> >/nodirectwritedata/gluster/gvol0):1394:process] _GMaster:
> >Data/Metadata
> >> >> >Time Taken        SETA=0  SETX=0
> >> >> >meta_duration=0.0000data_duration=13.0954
> >> >> >   DATA=8  XATT=0
> >> >> >[2020-06-03 02:49:01.992863] I [master(worker
> >> >> >/nodirectwritedata/gluster/gvol0):1404:process] _GMaster: Batch
> >> >> >Completed
> >> >> >changelog_end=1591152508        entry_stime=(1591152352, 0)
> >> >> >changelog_start=1591152494      stime=(1591152507, 0)
> >> >> >duration=13.1077
> >> >> >     num_changelogs=2        mode=live_changelog
> >> >> >[2020-06-03 02:49:02.958687] D [repce(worker
> >> >> >/nodirectwritedata/gluster/gvol0):196:push] RepceClient: call
> >> >> >19017:139678812452608:1591152542.96 keep_alive({'version': (1,
> >0),
> >> >> >'retval': 0, 'uuid': '8ee85fae-f3aa-4285-ad48-67a1dc17ed73',
> >'timeout':
> >> >> >1591152662, 'volume_mark': (1583043396, 161632)},) ...
> >> >> >[2020-06-03 02:49:02.979139] D [repce(worker
> >> >> >/nodirectwritedata/gluster/gvol0):216:__call__] RepceClient: call
> >> >> >19017:139678812452608:1591152542.96 keep_alive -> 28
> >> >> >[2020-06-03 02:49:06.998127] D [master(worker
> >> >> >/nodirectwritedata/gluster/gvol0):551:crawlwrap] _GMaster: ...
> >crawl
> >> >> >#114
> >> >> >done, took 30.180089 seconds
> >> >> >[2020-06-03 02:49:07.10132] D [repce(worker
> >> >> >/nodirectwritedata/gluster/gvol0):196:push] RepceClient: call
> >> >> >19017:139679441716992:1591152547.01 scan() ...
> >> >> >[2020-06-03 02:49:07.10781] D [repce(worker
> >> >> >/nodirectwritedata/gluster/gvol0):216:__call__] RepceClient: call
> >> >> >19017:139679441716992:1591152547.01 scan -> None
> >> >> >[2020-06-03 02:49:07.10935] D [repce(worker
> >> >> >/nodirectwritedata/gluster/gvol0):196:push] RepceClient: call
> >> >> >19017:139679441716992:1591152547.01 getchanges() ...
> >> >> >[2020-06-03 02:49:07.11579] D [repce(worker
> >> >> >/nodirectwritedata/gluster/gvol0):216:__call__] RepceClient: call
> >> >> >19017:139679441716992:1591152547.01 getchanges ->
> >> >>
> >>
>
> >>['/var/lib/misc/gluster/gsyncd/gvol0_nvfs10_gvol0/nodirectwritedata-gluster-gvol0/.processing/CHANGELOG.1591152522']
> >> >> >[2020-06-03 02:49:07.11720] I [master(worker
> >> >> >/nodirectwritedata/gluster/gvol0):1470:crawl] _GMaster: slave's
> >time
> >> >> >stime=(1591152507, 0)
> >> >> >
> >> >> >Am I looking in the right place to find out what that gsyncd.py
> >process
> >> >> >is
> >> >> >doing?
> >> >> >
> >> >> >
> >> >> >On Tue, 2 Jun 2020 at 21:58, Sunny Kumar <sunkumar at redhat.com>
> >wrote:
> >> >> >
> >> >> >> Hi David,
> >> >> >>
> >> >> >> You haven't answered my previous question regarding the type of
> >your
> >> >> >> workload.
> >> >> >> ---
> >> >> >> You can use the below command to enable debug log.
> >> >> >>
> >> >> >> `gluster vol geo-rep <mastervol> <slavehost>::<slavevol> config
> >> >> >log-level
> >> >> >> DEBUG`
> >> >> >>
> >> >> >> and after capturing log again switch back to info mode:
> >> >> >>
> >> >> >> `gluster vol geo-rep <mastervol> <slavehost>::<slavevol> config
> >> >> >log-level
> >> >> >> INFO`
> >> >> >>
> >> >> >> Please share the debug log and geo-rep config to debug further:
> >> >> >> for config:
> >> >> >>
> >> >> >> `gluster vol geo-rep <mastervol> <slavehost>::<slavevol>
> >config`
> >> >> >>
> >> >> >> /sunny
> >> >> >>
> >> >> >>
> >> >> >> On Tue, Jun 2, 2020 at 10:18 AM Strahil Nikolov
> >> >> ><hunter86_bg at yahoo.com>
> >> >> >> wrote:
> >> >> >> >
> >> >> >> > Hi David,
> >> >> >> >
> >> >> >> > in which log do you see the entries ?
> >> >> >> >
> >> >> >> > I think I got an explanation why you see the process  only on
> >one
> >> >> >of the
> >> >> >> master nodes -  geo-rep session is established from only 1
> >master
> >> >> >node  /I
> >> >> >> hope someone corrects me if I'm wrong/ to one slave node. Thus
> >it
> >> >> >will be
> >> >> >> natural to see the high CPU  usage on only 1 master node in
> >your
> >> >> >situation.
> >> >> >> >
> >> >> >> > Do you see anything else  in the :
> >> >> >> var/log/glusterfs/geo-replication/<logs> (master nodes) or in
> >> >> >> /var/log/glusterfs/geo-replication-slaves (slaves) that could
> >hint of
> >> >> >the
> >> >> >> exact issue. I have  a vague feeling that that python script is
> >> >> >constantly
> >> >> >> looping over some data causing the CPU hog.
> >> >> >> >
> >> >> >> > Sadly, I can't find an instruction for increasing the log
> >level of
> >> >> >the
> >> >> >> geo rep log .
> >> >> >> >
> >> >> >> >
> >> >> >> > Best  Regards,
> >> >> >> > Strahil  Nikolov
> >> >> >> >
> >> >> >> >
> >> >> >> > На 2 юни 2020 г. 6:14:46 GMT+03:00, David Cunningham <
> >> >> >> dcunningham at voisonics.com> написа:
> >> >> >> > >Hi Strahil and Sunny,
> >> >> >> > >
> >> >> >> > >Thank you for the replies. I checked the gfid on the master
> >and
> >> >> >slaves
> >> >> >> > >and
> >> >> >> > >they are the same. After moving the file away and back again
> >it
> >> >> >doesn't
> >> >> >> > >seem to be having the issue with that file any more.
> >> >> >> > >
> >> >> >> > >We are still getting higher CPU usage on one of the master
> >nodes
> >> >> >than
> >> >> >> > >the
> >> >> >> > >others. It logs this every few seconds:
> >> >> >> > >
> >> >> >> > >[2020-06-02 03:10:15.637815] I [master(worker
> >> >> >> > >/nodirectwritedata/gluster/gvol0):1384:process] _GMaster:
> >Entry
> >> >> >Time
> >> >> >> > >Taken
> >> >> >> > >   MKD=0   MKN=0   LIN=0   SYM=0   REN=0   RMD=0CRE=0
> >> >> >duration=0.0000
> >> >> >> > >UNL=0
> >> >> >> > >[2020-06-02 03:10:15.638010] I [master(worker
> >> >> >> > >/nodirectwritedata/gluster/gvol0):1394:process] _GMaster:
> >> >> >Data/Metadata
> >> >> >> > >Time Taken        SETA=0  SETX=0
> >> >> >> > >meta_duration=0.0000data_duration=12.7878
> >> >> >> > >   DATA=4  XATT=0
> >> >> >> > >[2020-06-02 03:10:15.638286] I [master(worker
> >> >> >> > >/nodirectwritedata/gluster/gvol0):1404:process] _GMaster:
> >Batch
> >> >> >> > >Completed
> >> >> >> > >changelog_end=1591067378        entry_stime=(1591067167, 0)
> >> >> >> > >changelog_start=1591067364      stime=(1591067377, 0)
> >> >> >> > >duration=12.8068
> >> >> >> > >     num_changelogs=2        mode=live_changelog
> >> >> >> > >[2020-06-02 03:10:20.658601] I [master(worker
> >> >> >> > >/nodirectwritedata/gluster/gvol0):1470:crawl] _GMaster:
> >slave's
> >> >> >time
> >> >> >> > > stime=(1591067377, 0)
> >> >> >> > >[2020-06-02 03:10:34.21799] I [master(worker
> >> >> >> > >/nodirectwritedata/gluster/gvol0):1954:syncjob] Syncer: Sync
> >Time
> >> >> >Taken
> >> >> >> > > duration=0.3826 num_files=8     job=1   return_code=0
> >> >> >> > >[2020-06-02 03:10:46.440535] I [master(worker
> >> >> >> > >/nodirectwritedata/gluster/gvol0):1384:process] _GMaster:
> >Entry
> >> >> >Time
> >> >> >> > >Taken
> >> >> >> > >   MKD=0   MKN=0   LIN=0   SYM=0   REN=1   RMD=0CRE=2
> >> >> >duration=0.1314
> >> >> >> > >UNL=1
> >> >> >> > >[2020-06-02 03:10:46.440809] I [master(worker
> >> >> >> > >/nodirectwritedata/gluster/gvol0):1394:process] _GMaster:
> >> >> >Data/Metadata
> >> >> >> > >Time Taken        SETA=0  SETX=0
> >> >> >> > >meta_duration=0.0000data_duration=13.0171
> >> >> >> > >   DATA=14 XATT=0
> >> >> >> > >[2020-06-02 03:10:46.441205] I [master(worker
> >> >> >> > >/nodirectwritedata/gluster/gvol0):1404:process] _GMaster:
> >Batch
> >> >> >> > >Completed
> >> >> >> > >changelog_end=1591067420        entry_stime=(1591067419, 0)
> >> >> >> > >changelog_start=1591067392      stime=(1591067419, 0)
> >> >> >> > >duration=13.0322
> >> >> >> > >     num_changelogs=3        mode=live_changelog
> >> >> >> > >[2020-06-02 03:10:51.460925] I [master(worker
> >> >> >> > >/nodirectwritedata/gluster/gvol0):1470:crawl] _GMaster:
> >slave's
> >> >> >time
> >> >> >> > > stime=(1591067419, 0)
> >> >> >> > >
> >> >> >> > >[2020-06-02 03:11:04.448913] I [master(worker
> >> >> >> > >/nodirectwritedata/gluster/gvol0):1954:syncjob] Syncer: Sync
> >Time
> >> >> >Taken
> >> >> >> > >duration=0.3466 num_files=3     job=1   return_code=0
> >> >> >> > >
> >> >> >> > >Whereas the other master nodes only log this:
> >> >> >> > >
> >> >> >> > >[2020-06-02 03:11:33.886938] I [gsyncd(config-get):308:main]
> >> >> ><top>:
> >> >> >> > >Using
> >> >> >> > >session config file
> >> >> >> >
> >> >>
> >>>path=/var/lib/glusterd/geo-replication/gvol0_nvfs10_gvol0/gsyncd.conf
> >> >> >> > >[2020-06-02 03:11:33.993175] I [gsyncd(status):308:main]
> ><top>:
> >> >> >Using
> >> >> >> > >session config file
> >> >> >> >
> >> >>
> >>>path=/var/lib/glusterd/geo-replication/gvol0_nvfs10_gvol0/gsyncd.conf
> >> >> >> > >
> >> >> >> > >Can anyone help with what might cause the high CPU usage on
> >one
> >> >> >master
> >> >> >> > >node? The process is this one, and is using 70-100% of CPU:
> >> >> >> > >
> >> >> >> > >python2
> >> >> >/usr/lib/x86_64-linux-gnu/glusterfs/python/syncdaemon/gsyncd.py
> >> >> >> > >worker gvol0 nvfs10::gvol0 --feedback-fd 15 --local-path
> >> >> >> > >/nodirectwritedata/gluster/gvol0 --local-node cafs30
> >> >> >--local-node-id
> >> >> >> > >b7521445-ee93-4fed-8ced-6a609fa8c7d4 --slave-id
> >> >> >> > >cdcdb210-839c-4306-a4dc-e696b165ed17 --rpc-fd 12,11,9,13
> >> >> >--subvol-num 1
> >> >> >> > >--resource-remote nvfs30 --resource-remote-id
> >> >> >> > >1e698ccd-aeec-4ec4-96fe-383da8fc3b78
> >> >> >> > >
> >> >> >> > >Thank you in advance!
> >> >> >> > >
> >> >> >> > >
> >> >> >> > >
> >> >> >> > >
> >> >> >> > >On Sat, 30 May 2020 at 20:20, Strahil Nikolov
> >> >> ><hunter86_bg at yahoo.com>
> >> >> >> > >wrote:
> >> >> >> > >
> >> >> >> > >> Hey David,
> >> >> >> > >>
> >> >> >> > >> for me a gfid  mismatch means  that the file  was
> >> >> >replaced/recreated
> >> >> >> > > -
> >> >> >> > >> just like  vim in linux does (and it is expected for
> >config
> >> >> >file).
> >> >> >> > >>
> >> >> >> > >> Have  you checked the gfid  of  the file on both source
> >and
> >> >> >> > >destination,
> >> >> >> > >> do they really match or they are different ?
> >> >> >> > >>
> >> >> >> > >> What happens  when you move away the file  from the slave
> >,
> >> >> >does it
> >> >> >> > >fixes
> >> >> >> > >> the issue ?
> >> >> >> > >>
> >> >> >> > >> Best Regards,
> >> >> >> > >> Strahil Nikolov
> >> >> >> > >>
> >> >> >> > >> На 30 май 2020 г. 1:10:56 GMT+03:00, David Cunningham <
> >> >> >> > >> dcunningham at voisonics.com> написа:
> >> >> >> > >> >Hello,
> >> >> >> > >> >
> >> >> >> > >> >We're having an issue with a geo-replication process with
> >> >> >unusually
> >> >> >> > >> >high
> >> >> >> > >> >CPU use and giving "Entry not present on master. Fixing
> >gfid
> >> >> >> > >mismatch
> >> >> >> > >> >in
> >> >> >> > >> >slave" errors. Can anyone help on this?
> >> >> >> > >> >
> >> >> >> > >> >We have 3 GlusterFS replica nodes (we'll call the
> >master),
> >> >> >which
> >> >> >> > >also
> >> >> >> > >> >push
> >> >> >> > >> >data to a remote server (slave) using geo-replication.
> >This has
> >> >> >been
> >> >> >> > >> >running fine for a couple of months, but yesterday one of
> >the
> >> >> >master
> >> >> >> > >> >nodes
> >> >> >> > >> >started having unusually high CPU use. It's this process:
> >> >> >> > >> >
> >> >> >> > >> >root at cafs30:/var/log/glusterfs# ps aux | grep 32048
> >> >> >> > >> >root     32048 68.7  0.6 1843140 845756 ?      Rl   02:51
> >> >> >493:51
> >> >> >> > >> >python2
> >> >> >> > >>
> >>/usr/lib/x86_64-linux-gnu/glusterfs/python/syncdaemon/gsyncd.py
> >> >> >> > >worker
> >> >> >> > >> >gvol0 nvfs10::gvol0 --feedback-fd 15 --local-path
> >> >> >> > >> >/nodirectwritedata/gluster/gvol0 --local-node cafs30
> >> >> >--local-node-id
> >> >> >> > >> >b7521445-ee93-4fed-8ced-6a609fa8c7d4 --slave-id
> >> >> >> > >> >cdcdb210-839c-4306-a4dc-e696b165ed17 --rpc-fd 12,11,9,13
> >> >> >> > >--subvol-num 1
> >> >> >> > >> >--resource-remote nvfs30 --resource-remote-id
> >> >> >> > >> >1e698ccd-aeec-4ec4-96fe-383da8fc3b78
> >> >> >> > >> >
> >> >> >> > >> >Here's what is being logged in
> >> >> >> > >>
> >> >>
> >>>/var/log/glusterfs/geo-replication/gvol0_nvfs10_gvol0/gsyncd.log:
> >> >> >> > >> >
> >> >> >> > >> >[2020-05-29 21:57:18.843524] I [master(worker
> >> >> >> > >> >/nodirectwritedata/gluster/gvol0):1470:crawl] _GMaster:
> >slave's
> >> >> >time
> >> >> >> > >> > stime=(1590789408, 0)
> >> >> >> > >> >[2020-05-29 21:57:30.626172] I [master(worker
> >> >> >> > >>
> >> >>
> >>>/nodirectwritedata/gluster/gvol0):813:fix_possible_entry_failures]
> >> >> >> > >> >_GMaster: Entry not present on master. Fixing gfid
> >mismatch in
> >> >> >> > >slave.
> >> >> >> > >> >Deleting the entry    retry_count=1   entry=({u'uid':
> >108,
> >> >> >u'gfid':
> >> >> >> > >> >u'7c0b75e5-d8b7-454f-8010-112d613c599e', u'gid': 117,
> >u'mode':
> >> >> >> > >33204,
> >> >> >> > >> >u'entry':
> >> >> >> > >>
> >>u'.gfid/c5422396-1578-4b50-a29d-315be2a9c5d8/00a859f7xxxx.cfg',
> >> >> >> > >> >u'op': u'CREATE'}, 17, {u'slave_isdir': False,
> >> >> >u'gfid_mismatch':
> >> >> >> > >True,
> >> >> >> > >> >u'slave_name': None, u'slave_gfid':
> >> >> >> > >> >u'ec4b0ace-2ec4-4ea5-adbc-9f519b81917c',
> >u'name_mismatch':
> >> >> >False,
> >> >> >> > >> >u'dst':
> >> >> >> > >> >False})
> >> >> >> > >> >[2020-05-29 21:57:30.627893] I [master(worker
> >> >> >> > >>
> >> >>
> >>>/nodirectwritedata/gluster/gvol0):813:fix_possible_entry_failures]
> >> >> >> > >> >_GMaster: Entry not present on master. Fixing gfid
> >mismatch in
> >> >> >> > >slave.
> >> >> >> > >> >Deleting the entry    retry_count=1   entry=({u'uid':
> >108,
> >> >> >u'gfid':
> >> >> >> > >> >u'a4d52e40-2e2f-4885-be5f-65fe95a8ebd7', u'gid': 117,
> >u'mode':
> >> >> >> > >33204,
> >> >> >> > >> >u'entry':
> >> >> >> > >>
> >> >> >> >
> >> >>
> >>
> >>>>u'.gfid/f857c42e-22f1-4ce4-8f2e-13bdadedde45/polycom_00a859f7xxxx.cfg',
> >> >> >> > >> >u'op': u'CREATE'}, 17, {u'slave_isdir': False,
> >> >> >u'gfid_mismatch':
> >> >> >> > >True,
> >> >> >> > >> >u'slave_name': None, u'slave_gfid':
> >> >> >> > >> >u'ece8da77-b5ea-45a7-9af7-7d4d8f55f74a',
> >u'name_mismatch':
> >> >> >False,
> >> >> >> > >> >u'dst':
> >> >> >> > >> >False})
> >> >> >> > >> >[2020-05-29 21:57:30.629532] I [master(worker
> >> >> >> > >>
> >> >>
> >>>/nodirectwritedata/gluster/gvol0):813:fix_possible_entry_failures]
> >> >> >> > >> >_GMaster: Entry not present on master. Fixing gfid
> >mismatch in
> >> >> >> > >slave.
> >> >> >> > >> >Deleting the entry    retry_count=1   entry=({u'uid':
> >108,
> >> >> >u'gfid':
> >> >> >> > >> >u'3c525ad8-aeb2-46b6-9c41-7fb4987916f8', u'gid': 117,
> >u'mode':
> >> >> >> > >33204,
> >> >> >> > >> >u'entry':
> >> >> >> > >>
> >> >> >> >
> >> >> >>
> >> >>
> >>
>
> >>>>u'.gfid/f857c42e-22f1-4ce4-8f2e-13bdadedde45/00a859f7xxxx-directory.xml',
> >> >> >> > >> >u'op': u'CREATE'}, 17, {u'slave_isdir': False,
> >> >> >u'gfid_mismatch':
> >> >> >> > >True,
> >> >> >> > >> >u'slave_name': None, u'slave_gfid':
> >> >> >> > >> >u'06717b5a-d842-495d-bd25-aab9cd454490',
> >u'name_mismatch':
> >> >> >False,
> >> >> >> > >> >u'dst':
> >> >> >> > >> >False})
> >> >> >> > >> >[2020-05-29 21:57:30.659123] I [master(worker
> >> >> >> > >>
> >>/nodirectwritedata/gluster/gvol0):942:handle_entry_failures]
> >> >> >> > >_GMaster:
> >> >> >> > >> >Sucessfully fixed entry ops with gfid mismatch
> >> >> >retry_count=1
> >> >> >> > >> >[2020-05-29 21:57:30.659343] I [master(worker
> >> >> >> > >> >/nodirectwritedata/gluster/gvol0):1194:process_change]
> >> >> >_GMaster:
> >> >> >> > >Retry
> >> >> >> > >> >original entries. count = 1
> >> >> >> > >> >[2020-05-29 21:57:30.725810] I [master(worker
> >> >> >> > >> >/nodirectwritedata/gluster/gvol0):1197:process_change]
> >> >> >_GMaster:
> >> >> >> > >> >Sucessfully fixed all entry ops with gfid mismatch
> >> >> >> > >> >[2020-05-29 21:57:31.747319] I [master(worker
> >> >> >> > >> >/nodirectwritedata/gluster/gvol0):1954:syncjob] Syncer:
> >Sync
> >> >> >Time
> >> >> >> > >Taken
> >> >> >> > >> >duration=0.7409 num_files=18    job=1   return_code=0
> >> >> >> > >> >
> >> >> >> > >> >We've verified that the files like
> >polycom_00a859f7xxxx.cfg
> >> >> >referred
> >> >> >> > >to
> >> >> >> > >> >in
> >> >> >> > >> >the error do exist on the master nodes and slave.
> >> >> >> > >> >
> >> >> >> > >> >We found this bug fix:
> >> >> >> > >> >https://bugzilla.redhat.com/show_bug.cgi?id=1642865
> >> >> >> > >> >
> >> >> >> > >> >However that fix went in 5.1, and we're running 5.12 on
> >the
> >> >> >master
> >> >> >> > >> >nodes
> >> >> >> > >> >and slave. A couple of GlusterFS clients connected to the
> >> >> >master
> >> >> >> > >nodes
> >> >> >> > >> >are
> >> >> >> > >> >running 5.13.
> >> >> >> > >> >
> >> >> >> > >> >Would anyone have any suggestions? Thank you in advance.
> >> >> >> > >>
> >> >> >> > ________
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> > Community Meeting Calendar:
> >> >> >> >
> >> >> >> > Schedule -
> >> >> >> > Every 2nd and 4th Tuesday at 14:30 IST / 09:00 UTC
> >> >> >> > Bridge: https://bluejeans.com/441850968
> >> >> >> >
> >> >> >> > Gluster-users mailing list
> >> >> >> > Gluster-users at gluster.org
> >> >> >> > https://lists.gluster.org/mailman/listinfo/gluster-users
> >> >> >>
> >> >> >>
> >> >
> >> >
> >> >
> >> > --
> >> > David Cunningham, Voisonics Limited
> >> > http://voisonics.com/
> >> > USA: +1 213 221 1092
> >> > New Zealand: +64 (0)28 2558 3782
> >> > ________
> >> >
> >> >
> >> >
> >> > Community Meeting Calendar:
> >> >
> >> > Schedule -
> >> > Every 2nd and 4th Tuesday at 14:30 IST / 09:00 UTC
> >> > Bridge: https://bluejeans.com/441850968
> >> >
> >> > Gluster-users mailing list
> >> > Gluster-users at gluster.org
> >> > https://lists.gluster.org/mailman/listinfo/gluster-users
> >>
> >>
> >>
> >> --
> >> sankarshan at kadalu.io | TZ: UTC+0530 | +91 99606 03294
> >> kadalu.io : Making it easy to provision storage in k8s!
> >> ________
> >>
> >>
> >>
> >> Community Meeting Calendar:
> >>
> >> Schedule -
> >> Every 2nd and 4th Tuesday at 14:30 IST / 09:00 UTC
> >> Bridge: https://bluejeans.com/441850968
> >>
> >> Gluster-users mailing list
> >> Gluster-users at gluster.org
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-- 
David Cunningham, Voisonics Limited
http://voisonics.com/
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