Re: [Gluster-users] Rebalance improvement.

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Interesting numbers. Thanks for the effort.

What is the unit of old/new numbers? seconds? 

On 03-Aug-2020, at 12:47 PM, Susant Palai <spalai@xxxxxxxxxx> 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/ 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@xxxxxxxxxx> 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


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Aravinda Vishwanathapura



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