[Gluster-users] Rebalance improvement.

[Susant Palai]

> On 03-Aug-2020, at 13:58, Aravinda VK <aravinda at kadalu.io> wrote:
> 
> Interesting numbers. Thanks for the effort.
> 
> What is the unit of old/new numbers? seconds? 

Minutes. 

> 
>> On 03-Aug-2020, at 12:47 PM, Susant Palai <spalai at redhat.com <mailto:spalai at redhat.com>> wrote:
>> 
>> Centos Users can add the following repo and install the build from the master branch to try out the feature. [Testing purpose only, not ready for consumption in production env.]
>> 
>> [gluster-nightly-master]
>> baseurl=http://artifacts.ci.centos.org/gluster/nightly/master/7/x86_64/ <http://artifacts.ci.centos.org/gluster/nightly/master/7/x86_64/>
>> gpgcheck=0
>> keepalive=1
>> enabled=1
>> repo_gpgcheck = 0
>> name=Gluster Nightly builds (master branch)
>> 
>> A summary of perf numbers from our test lab :
>> 
>> DirSize - 1Million	Old	New	%diff
>> Depth 	- 100 (Run 1)	353	74	+377%
>> Depth 	- 100 (Run 2)	348	72	+377~%
>> Depth 	- 50		246	122	+100%
>> Depth 	- 3		174	114	+52%
>> 
>> Susant
>> 
>> 
>> On Mon, Aug 3, 2020 at 11:16 AM Susant Palai <spalai at redhat.com <mailto:spalai at redhat.com>> wrote:
>> Hi,
>>     Recently, we have pushed some performance improvements for Rebalance Crawl which used to consume a significant amount of time, out of the entire rebalance process.
>> 
>> 
>> The patch [1] is recently merged in upstream and may land as an experimental feature in the upcoming upstream release.
>> 
>> The improvement currently works only for pure-distribute Volume. (which can be expanded).
>> 
>> 
>> Things to look forward to in future :
>>  - Parallel Crawl in Rebalance
>>  - Global Layout
>> 
>> Once these improvements are in place, we would be able to reduce the overall rebalance time by a significant time.
>> 
>> Would request our community to try out the feature and give us feedback.
>> 
>> More information regarding the same will follow.
>> 
>> 
>> Thanks & Regards,
>> Susant Palai
>> 
>> 
>> [1] https://review.gluster.org/#/c/glusterfs/+/24443/ <https://review.gluster.org/#/c/glusterfs/+/24443/>________
>> 
>> 
>> 
>> Community Meeting Calendar:
>> 
>> Schedule -
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>> Bridge: https://bluejeans.com/441850968 <https://bluejeans.com/441850968>
>> 
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> 
> Aravinda Vishwanathapura
> https://kadalu.io <https://kadalu.io/>
> 
> 
> 

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