gjprabu
2015-Apr-29 13:07 UTC
[Gluster-users] client is terrible with large amount of small files
Hi Ghoshal, Please find the details below. A) Glusterfs version glusterfs 3.6.2 B) volume configuration (gluster v <volname> info) gluster volume info Volume Name: integvol Type: Replicate Volume ID: b8f3a19e-59bc-41dc-a55a-6423ec834492 Status: Started Number of Bricks: 1 x 3 = 3 Transport-type: tcp Bricks: Brick1: integ-gluster2:/srv/sdb1/brick Brick2: integ-gluster1:/srv/sdb1/brick Brick3: integ-gluster3:/srv/sdb1/brick C) host linux version CentOS release 6.5 (Final) D) details about the kind of network you use to connect your servers making up your storage pool. We are connecting LAN to LAN there is no special network configuration done Frome client we use to mount like below mount -t glusterfs gluster1:/integvol /mnt/gluster/ Regards Prabu ---- On Wed, 29 Apr 2015 17:58:16 +0530 A Ghoshal<a.ghoshal at tcs.com> wrote ---- Performance would largely depend upon setup. While I cannot think of any setup that would cause write to be this slow, if would help if you share the following details: A) Glusterfs version B) volume configuration (gluster v <volname> info) C) host linux version D) details about the kind of network you use to connect your servers making up your storage pool. Thanks, Anirban From: gjprabu <gjprabu at zohocorp.com> To: <gluster-users at gluster.org> Date: 04/29/2015 05:52 PM Subject: Re: [Gluster-users] client is terrible with large amount of small files Sent by: gluster-users-bounces at gluster.org Hi Team, If anybody know the solution please share us. Regards Prabu ---- On Tue, 28 Apr 2015 19:32:40 +0530 gjprabu <gjprabu at zohocorp.com> wrote ---- Hi Team, We are using glusterfs newly and testing data transfer part in client using fuse.glusterfs file system but it is terrible with large amount of small files (Large amount of small file 150MB of size it's writing around 18min). I can able copy small files and syncing between the server brick are working fine but it is terrible with large amount of small files. if anybody please share the solution for the above issue. Regards Prabu _______________________________________________ Gluster-users mailing list Gluster-users at gluster.org http://www.gluster.org/mailman/listinfo/gluster-users _______________________________________________ Gluster-users mailing list Gluster-users at gluster.org http://www.gluster.org/mailman/listinfo/gluster-users =====-----=====-----==== Notice: The information contained in this e-mail message and/or attachments to it may contain confidential or privileged information. If you are not the intended recipient, any dissemination, use, review, distribution, printing or copying of the information contained in this e-mail message and/or attachments to it are strictly prohibited. If you have received this communication in error, please notify us by reply e-mail or telephone and immediately and permanently delete the message and any attachments. Thank you -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://www.gluster.org/pipermail/gluster-users/attachments/20150429/d3f80998/attachment.html>
Ben Turner
2015-Apr-29 19:07 UTC
[Gluster-users] client is terrible with large amount of small files
----- Original Message -----> From: "gjprabu" <gjprabu at zohocorp.com> > To: "A Ghoshal" <a.ghoshal at tcs.com> > Cc: gluster-users at gluster.org, gluster-users-bounces at gluster.org > Sent: Wednesday, April 29, 2015 9:07:07 AM > Subject: Re: [Gluster-users] client is terrible with large amount of small files > > Hi Ghoshal, > > Please find the details below. > > A) Glusterfs version > glusterfs 3.6.2Upgrade to 3.6.3 and set client.event-threads and server.event-threads to at least 4. Here is a guide on tuning MT epoll: https://access.redhat.com/documentation/en-US/Red_Hat_Storage/3/html/Administration_Guide/Small_File_Performance_Enhancements.html> > B) volume configuration (gluster v <volname> info) > gluster volume info > > > Volume Name: integvol > Type: Replicate > Volume ID: b8f3a19e-59bc-41dc-a55a-6423ec834492 > Status: Started > Number of Bricks: 1 x 3 = 3 > Transport-type: tcp > Bricks: > Brick1: integ-gluster2:/srv/sdb1/brick > Brick2: integ-gluster1:/srv/sdb1/brick > Brick3: integ-gluster3:/srv/sdb1/brick > > > C) host linux version > CentOS release 6.5 (Final)Are your bricks on LVM? Are you using thinp? If so update to the latest kernel as thinp perf was really bad in 6.5 and early 6.6 kernels.> > D) details about the kind of network you use to connect your servers making > up your storage pool. > We are connecting LAN to LAN there is no special network configuration done > > Frome client we use to mount like below > mount -t glusterfs gluster1:/integvol /mnt/gluster/ > > > Regards > Prabu > > > > ---- On Wed, 29 Apr 2015 17:58:16 +0530 A Ghoshal<a.ghoshal at tcs.com> wrote > ---- > > > > Performance would largely depend upon setup. While I cannot think of any > setup that would cause write to be this slow, if would help if you share the > following details: > > A) Glusterfs version > B) volume configuration (gluster v <volname> info) > C) host linux version > D) details about the kind of network you use to connect your servers making > up your storage pool. > > Thanks, > Anirban > > > > From: gjprabu < gjprabu at zohocorp.com > > To: < gluster-users at gluster.org > > Date: 04/29/2015 05:52 PM > Subject: Re: [Gluster-users] client is terrible with large amount of small > files > Sent by: gluster-users-bounces at gluster.org > > > > > Hi Team, > > If anybody know the solution please share us. > > Regards > Prabu > > > > ---- On Tue, 28 Apr 2015 19:32:40 +0530 gjprabu < gjprabu at zohocorp.com > > wrote ---- > Hi Team, > > We are using glusterfs newly and testing data transfer part in client using > fuse.glusterfs file system but it is terrible with large amount of small > files (Large amount of small file 150MB of size it's writing around 18min). > I can able copy small files and syncing between the server brick are working > fine but it is terrible with large amount of small files. > > if anybody please share the solution for the above issue. > > Regards > Prabu > > _______________________________________________ > Gluster-users mailing list > Gluster-users at gluster.org > http://www.gluster.org/mailman/listinfo/gluster-users > > _______________________________________________ > Gluster-users mailing list > Gluster-users at gluster.org > http://www.gluster.org/mailman/listinfo/gluster-users > > > =====-----=====-----====> Notice: The information contained in this e-mail > message and/or attachments to it may contain > confidential or privileged information. If you are > not the intended recipient, any dissemination, use, > review, distribution, printing or copying of the > information contained in this e-mail message > and/or attachments to it are strictly prohibited. If > you have received this communication in error, > please notify us by reply e-mail or telephone and > immediately and permanently delete the message > and any attachments. Thank you > > > > _______________________________________________ > Gluster-users mailing list > Gluster-users at gluster.org > http://www.gluster.org/mailman/listinfo/gluster-users