[Gluster-devel] Rebalance improvement design

[Benjamin Turner]

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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