[Gluster-devel] Rebalance improvement design

Benjamin Turner bennyturns at gmail.com
Thu Apr 30 01:48:41 UTC 2015


Sweet!  Here is the baseline:

[root at gqas001 ~]# gluster v rebalance testvol status
                                    Node Rebalanced-files          size
  scanned      failures       skipped               status   run time in
secs
                               ---------      -----------   -----------
-----------   -----------   -----------         ------------
--------------
                               localhost          1328575        81.1GB
  9402953             0             0            completed
98500.00
      gqas012.sbu.lab.eng.bos.redhat.com                0        0Bytes
  8000011             0             0            completed
51982.00
      gqas003.sbu.lab.eng.bos.redhat.com                0        0Bytes
  8000011             0             0            completed
51982.00
      gqas004.sbu.lab.eng.bos.redhat.com          1326290        81.0GB
  9708625             0             0            completed
98500.00
      gqas013.sbu.lab.eng.bos.redhat.com                0        0Bytes
  8000011             0             0            completed
51982.00
      gqas014.sbu.lab.eng.bos.redhat.com                0        0Bytes
  8000011             0             0            completed
51982.00
volume rebalance: testvol: success:

I'll have a run on the patch started tomorrow.

-b

On Wed, Apr 29, 2015 at 12:51 PM, Nithya Balachandran <nbalacha at redhat.com>
wrote:

>
> Doh my mistake, I thought it was merged.  I was just running with the
> upstream 3.7 daily.  Can I use this run as my baseline and then I can run
> next time on the patch to show the % improvement?  I'll wipe everything and
> try on the patch, any idea when it will be merged?
>
> Yes, it would be very useful to have this run as the baseline. The patch
> has just been merged in master. It should be backported to 3.7 in a day or
> so.
>
> Regards,
> Nithya
>
>
> > > > >
> > > > > >
> > > > > > 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
> > > > > > > >
> > > > > > > >
> > > > > > > > ______________________________ _________________
> > > > > > > > Gluster-devel mailing list
> > > > > > > > Gluster-devel at gluster.org
> > > > > > > > http://www.gluster.org/ mailman/listinfo/gluster-devel
> > > > > > > >
> > > > > > > > _______________________________________________
> > > > > > > > Gluster-devel mailing list
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> > > > > > > > _______________________________________________
> > > > > > > > Gluster-devel mailing list
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> > > > > > > >
> > > > > > >
> > > > > >
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> > > > >
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>
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