[Gluster-devel] Rebalance improvement design
Susant Palai
spalai at redhat.com
Wed Apr 29 06:38:38 UTC 2015
Hi Ben,
Yes we were using pure dist volume. Will check in to your systems for more info.
Can you please update which patch set you used ? In the mean time I will do one set of test with the same configuration on a small data set.
Thanks,
Susant
----- Original Message -----
> From: "Benjamin Turner" <bennyturns at gmail.com>
> To: "Nithya Balachandran" <nbalacha at redhat.com>
> Cc: "Susant Palai" <spalai at redhat.com>, "Gluster Devel" <gluster-devel at gluster.org>
> Sent: Wednesday, April 29, 2015 2:13:05 AM
> Subject: Re: [Gluster-devel] Rebalance improvement design
>
> I am not seeing the performance you were. I am running on 500GB of data:
>
> [root at gqas001 ~]# gluster v rebalance testvol status
> Node Rebalanced-files
> size scanned failures skipped status run
> time in secs
> --------- -----------
> ----------- ----------- ----------- ----------- ------------
> --------------
> localhost 129021
> 7.9GB 912104 0 0 in progress
> 10100.00
> gqas012.sbu.lab.eng.bos.redhat.com 0 0Bytes
> 1930312 0 0 in progress 10100.00
> gqas003.sbu.lab.eng.bos.redhat.com 0 0Bytes
> 1930312 0 0 in progress 10100.00
> gqas004.sbu.lab.eng.bos.redhat.com 128903 7.9GB
> 946730 0 0 in progress 10100.00
> gqas013.sbu.lab.eng.bos.redhat.com 0 0Bytes
> 1930312 0 0 in progress 10100.00
> gqas014.sbu.lab.eng.bos.redhat.com 0 0Bytes
> 1930312 0 0 in progress 10100.00
>
> Based on what I am seeing I expect this to take 2 days. Was you rebal run
> on a pure dist volume? I am trying on 2x2 + 2 new bricks. Any idea why
> mine is taking so long?
>
> -b
>
>
>
> On Wed, Apr 22, 2015 at 1:10 AM, Nithya Balachandran <nbalacha at redhat.com>
> wrote:
>
> > That sounds great. Thanks.
> >
> > Regards,
> > Nithya
> >
> > ----- Original Message -----
> > From: "Benjamin Turner" <bennyturns at gmail.com>
> > To: "Nithya Balachandran" <nbalacha at redhat.com>
> > Cc: "Susant Palai" <spalai at redhat.com>, "Gluster Devel" <
> > gluster-devel at gluster.org>
> > Sent: Wednesday, 22 April, 2015 12:14:14 AM
> > Subject: Re: [Gluster-devel] Rebalance improvement design
> >
> > I am setting up a test env now, I'll have some feedback for you this week.
> >
> > -b
> >
> > On Tue, Apr 21, 2015 at 11:36 AM, Nithya Balachandran <nbalacha at redhat.com
> > >
> > wrote:
> >
> > > Hi Ben,
> > >
> > > Did you get a chance to try this out?
> > >
> > > Regards,
> > > Nithya
> > >
> > > ----- Original Message -----
> > > From: "Susant Palai" <spalai at redhat.com>
> > > To: "Benjamin Turner" <bennyturns at gmail.com>
> > > Cc: "Gluster Devel" <gluster-devel at gluster.org>
> > > Sent: Monday, April 13, 2015 9:55:07 AM
> > > Subject: Re: [Gluster-devel] Rebalance improvement design
> > >
> > > Hi Ben,
> > > Uploaded a new patch here: http://review.gluster.org/#/c/9657/. We can
> > > start perf test on it. :)
> > >
> > > Susant
> > >
> > > ----- Original Message -----
> > > From: "Susant Palai" <spalai at redhat.com>
> > > To: "Benjamin Turner" <bennyturns at gmail.com>
> > > Cc: "Gluster Devel" <gluster-devel at gluster.org>
> > > Sent: Thursday, 9 April, 2015 3:40:09 PM
> > > Subject: Re: [Gluster-devel] Rebalance improvement design
> > >
> > > Thanks Ben. RPM is not available and I am planning to refresh the patch
> > in
> > > two days with some more regression fixes. I think we can run the tests
> > post
> > > that. Any larger data-set will be good(say 3 to 5 TB).
> > >
> > > Thanks,
> > > Susant
> > >
> > > ----- Original Message -----
> > > From: "Benjamin Turner" <bennyturns at gmail.com>
> > > To: "Vijay Bellur" <vbellur at redhat.com>
> > > Cc: "Susant Palai" <spalai at redhat.com>, "Gluster Devel" <
> > > gluster-devel at gluster.org>
> > > Sent: Thursday, 9 April, 2015 2:10:30 AM
> > > Subject: Re: [Gluster-devel] Rebalance improvement design
> > >
> > >
> > > I have some rebalance perf regression stuff I have been working on, is
> > > there an RPM with these patches anywhere so that I can try it on my
> > > systems? If not I'll just build from:
> > >
> > >
> > > git fetch git:// review.gluster.org/glusterfs refs/changes/57/9657/8 &&
> > > git cherry-pick FETCH_HEAD
> > >
> > >
> > >
> > > I will have _at_least_ 10TB of storage, how many TBs of data should I run
> > > with?
> > >
> > >
> > > -b
> > >
> > >
> > > On Tue, Apr 7, 2015 at 9:07 AM, Vijay Bellur < vbellur at redhat.com >
> > wrote:
> > >
> > >
> > >
> > >
> > > On 04/07/2015 03:08 PM, Susant Palai wrote:
> > >
> > >
> > > Here is one test performed on a 300GB data set and around 100%(1/2 the
> > > time) improvement was seen.
> > >
> > > [root at gprfs031 ~]# gluster v i
> > >
> > > Volume Name: rbperf
> > > Type: Distribute
> > > Volume ID: 35562662-337e-4923-b862- d0bbb0748003
> > > Status: Started
> > > Number of Bricks: 4
> > > Transport-type: tcp
> > > Bricks:
> > > Brick1: gprfs029-10ge:/bricks/ gprfs029/brick1
> > > Brick2: gprfs030-10ge:/bricks/ gprfs030/brick1
> > > Brick3: gprfs031-10ge:/bricks/ gprfs031/brick1
> > > Brick4: gprfs032-10ge:/bricks/ gprfs032/brick1
> > >
> > >
> > > Added server 32 and started rebalance force.
> > >
> > > Rebalance stat for new changes:
> > > [root at gprfs031 ~]# gluster v rebalance rbperf status
> > > Node Rebalanced-files size scanned failures skipped status run time in
> > secs
> > > --------- ----------- ----------- ----------- ----------- -----------
> > > ------------ --------------
> > > localhost 74639 36.1GB 297319 0 0 completed 1743.00
> > > 172.17.40.30 67512 33.5GB 269187 0 0 completed 1395.00
> > > gprfs029-10ge 79095 38.8GB 284105 0 0 completed 1559.00
> > > gprfs032-10ge 0 0Bytes 0 0 0 completed 402.00
> > > volume rebalance: rbperf: success:
> > >
> > > Rebalance stat for old model:
> > > [root at gprfs031 ~]# gluster v rebalance rbperf status
> > > Node Rebalanced-files size scanned failures skipped status run time in
> > secs
> > > --------- ----------- ----------- ----------- ----------- -----------
> > > ------------ --------------
> > > localhost 86493 42.0GB 634302 0 0 completed 3329.00
> > > gprfs029-10ge 94115 46.2GB 687852 0 0 completed 3328.00
> > > gprfs030-10ge 74314 35.9GB 651943 0 0 completed 3072.00
> > > gprfs032-10ge 0 0Bytes 594166 0 0 completed 1943.00
> > > volume rebalance: rbperf: success:
> > >
> > >
> > > This is interesting. Thanks for sharing & well done! Maybe we should
> > > attempt a much larger data set and see how we fare there :).
> > >
> > > Regards,
> > >
> > >
> > > Vijay
> > >
> > >
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>
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