[Gluster-users] Gluster 3.4 Samba VFS writes slow in Win 7 clients
RAGHAVENDRA TALUR
raghavendra.talur at gmail.com
Thu Aug 22 07:31:57 UTC 2013
Hi Kane,
1. Which version of samba are you running?
2. Can you re-run the test after adding the following lines to smb.conf's
global section and tell if it helps?
kernel oplocks = no
stat cache = no
Thanks,
Raghavendra Talur
On Wed, Aug 21, 2013 at 3:48 PM, kane <stef_9k at 163.com> wrote:
> Hi Lala, thank you for reply this issue.
>
> this is our smb.conf:
> --------
> [global]
> workgroup = MYGROUP
> server string = DCS Samba Server
> log file = /var/log/samba/log.vfs
> max log size = 500000
> # log level = 10
> # max xmit = 65535
> # getwd cache = yes
> # use sendfile = yes
> # strict sync = no
> # sync always = no
> # large readwrite = yes
> aio read size = 262144
> aio write size = 262144
> aio write behind = true
> # min receivefile size = 262144
> write cache size = 268435456
> # oplocks = yes
> security = user
> passdb backend = tdbsam
> load printers = yes
> cups options = raw
> read raw = yes
> write raw = yes
> max xmit = 262144
> read size = 262144
> socket options = TCP_NODELAY IPTOS_LOWDELAY SO_RCVBUF=262144
> SO_SNDBUF=262144
> max protocol = SMB2
>
> [homes]
> comment = Home Directories
> browseable = no
> writable = yes
>
>
> [printers]
> comment = All Printers
> path = /var/spool/samba
> browseable = no
> guest ok = no
> writable = no
> printable = yes
>
> [cifs]
> path = /mnt/fuse
> guest ok = yes
> writable = yes
>
> [raw]
> path = /dcsdata/d0
> guest ok = yes
> writable = yes
>
> [gvol]
> comment = For samba export of volume test
> vfs objects = glusterfs
> glusterfs:volfile_server = localhost
> glusterfs:volume = soul
> path = /
> read only = no
> guest ok = yes
> --------
>
> our win 7 client hardware:
> Intel® Xeon® E31230 @ 3.20GHz
> 8GB RAM
>
> linux client hardware:
> Intel(R) Xeon(R) CPU X3430 @ 2.40GHz
> 16GB RAM
>
> pretty thanks
>
> -kane
>
> 在 2013-8-21，下午4:53，Lalatendu Mohanty <lmohanty at redhat.com> 写道：
>
> On 08/21/2013 01:32 PM, kane wrote:
>
> Hello：
>
> We have used glusterfs3.4 with the lasted samba-glusterfs-vfs lib to
> test samba performance in windows client.
>
> two glusterfs server nodes export share with name of "gvol":
> hardwares:
> brick use a raid 5 logic disk with 8 * 2T SATA HDDs
> 10G network connection
>
> one linux client mount the "gvol" with cmd:
> [root at localhost current]# mount.cifs //192.168.100.133/gvol /mnt/vfs -o
> user=kane,pass=123456
>
> then i use iozone to test the write performance in mount dir "/mnt/vfs":
> [root at localhost current]# ./iozone -s 10G -r 128k -i0 -t 4
> …..
> File size set to 10485760 KB
> Record Size 128 KB
> Command line used: ./iozone -s 10G -r 128k -i0 -t 4
> Output is in Kbytes/sec
> Time Resolution = 0.000001 seconds.
> Processor cache size set to 1024 Kbytes.
> Processor cache line size set to 32 bytes.
> File stride size set to 17 * record size.
> Throughput test with 4 processes
> Each process writes a 10485760 Kbyte file in 128 Kbyte records
>
> Children see throughput for 4 initial writers = 487376.67 KB/sec
> Parent sees throughput for 4 initial writers = 486184.67 KB/sec
> Min throughput per process = 121699.91 KB/sec
> Max throughput per process = 122005.73 KB/sec
> Avg throughput per process = 121844.17 KB/sec
> Min xfer = 10459520.00 KB
>
> Children see throughput for 4 rewriters = 491416.41 KB/sec
> Parent sees throughput for 4 rewriters = 490298.11 KB/sec
> Min throughput per process = 122808.87 KB/sec
> Max throughput per process = 122937.74 KB/sec
> Avg throughput per process = 122854.10 KB/sec
> Min xfer = 10474880.00 KB
>
> linux client mount with cifs , write performance reach 480MB/s per
> client;
>
> but when i use win7 client mount the "gvol" with cmd:
> net use Z: \\192.168.100.133\gvol 123456 /user:kane
>
> then also use iozone test in dir Z, even with write block 1Mbyte :
> File size set to 10485760 KB
> Record Size 1024 KB
> Command line used: iozone -s 10G -r 1m -i0 -t 4
> Output is in Kbytes/sec
> Time Resolution = -0.000000 seconds.
> Processor cache size set to 1024 Kbytes.
> Processor cache line size set to 32 bytes.
> File stride size set to 17 * record size.
> Throughput test with 4 processes
> Each process writes a 10485760 Kbyte file in 1024 Kbyte records
>
> Children see throughput for 4 initial writers = 148164.82
> KB/sec
> Parent sees throughput for 4 initial writers = 148015.48 KB/sec
> Min throughput per process = 37039.91 KB/sec
> Max throughput per process = 37044.45 KB/sec
> Avg throughput per process = 37041.21 KB/sec
> Min xfer = 10484736.00 KB
>
> Children see throughput for 4 rewriters = 147642.12
> KB/sec
> Parent sees throughput for 4 rewriters = 147472.16 KB/sec
> Min throughput per process = 36909.13 KB/sec
> Max throughput per process = 36913.29 KB/sec
> Avg throughput per process = 36910.53 KB/sec
> Min xfer = 10484736.00 KB
>
> iozone test complete.
>
> then reach 140MB/s
>
> so , anyone meet with this problem.Is there win7 clinet to reconfigure
> to perform well?
>
> Thanks!
>
> kane
> ----------------------------------------------------------------
> Email: kai.zhou at soulinfo.com
> 电话: 0510-85385788-616
>
>
>
> Hi kane,
>
> I do run IOs using win7 client with glusterfs3.4 , but I never compared
> the performance with Linux cifs mount. I don't think we need to do any
> special configuration on Windows side. I hope your Linux and Windows client
> have similar configuration i.e. RAM, cache, disk type etc. However I am
> curious to know if your setup uses the vfs plug-in correctly. We can
> confirm that looking at smb.conf entry for the gluster volume which should
> have been created by "gluster start command" automatically .
>
> e.g: entry in smb.conf for one of volume "smbvol" of mine looks like below
>
> [gluster-smbvol]
> comment = For samba share of volume smbvol
> vfs objects = glusterfs
> glusterfs:volume = smbvol
> path = /
> read only = no
> guest ok = yes
>
> Kindly copy the entries in smb.conf for your gluster volume in this email.
> -Lala
>
>
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--
*Raghavendra Talur *
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