Bug 1708180

Summary:	gluster-block: improvements to volume group profile options list
Product:	[Red Hat Storage] Red Hat Gluster Storage	Reporter:	Prasanna Kumar Kalever <prasanna.kalever>
Component:	core	Assignee:	Prasanna Kumar Kalever <prasanna.kalever>
Status:	CLOSED ERRATA	QA Contact:	Vivek Das <vdas>
Severity:	high	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	amukherj, ekuric, jahernan, knarra, nbalacha, nchilaka, pgurusid, pkarampu, pprakash, rgowdapp, rhs-bugs, sheggodu, storage-qa-internal, vdas
Target Milestone:	---
Target Release:	RHGS 3.5.0
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	glusterfs-6.0-9	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:
Clones:	1708182 1727852 (view as bug list)		Environment:
Last Closed:	2019-10-30 12:21:23 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1727852
Bug Blocks:	1696809, 1708182

Description Prasanna Kumar Kalever 2019-05-09 10:09:48 UTC

Description of problem:

In one of the performance testing effort, we found that below options help improve the overall performance numbers of gluster-block workload:

performance.io-thread-count             16 -> 32
performance.high-prio-threads           16 -> 32
performance.normal-prio-threads         16 -> 32
performance.low-prio-threads            16 -> 32
performance.least-prio-threads          1  -> 4
client.event-threads                    2  -> 8
server.event-threads                    1  -> 8
performance.client-io-threads          off -> on


I was thinking its good idea to add this changes to current block profile, as we have data showing improvements in perf results.

Also, its good idea to re-validate the existing gluster-block profile options in  
/var/lib/glusterd/groups/gluster-block

Comment 5 RamaKasturi 2019-05-16 17:47:36 UTC

Hello Elvir,

   Would you able to help us test the bug for the perf improvements if we accept this for ocs 3.11.4 ?

Thanks
kasturi

Comment 7 Prasanna Kumar Kalever 2019-06-20 05:36:58 UTC

Amar & Atin,

The fix for this bug has to come from various perf (translator) experts within the core gluster team. We need collaboration from RHGS experts to help tune these volume options for better block performance.

I see Amar had assigned it to me, but ideally speaking we need various perf experts to take a look and add their suggestions/opinions on this.

Hope that makesense.

Thanks!

Comment 8 Amar Tumballi 2019-06-20 05:51:24 UTC

> Hope that makesense.

Yes it does. I would get started with few basic things we already know in the profile info, and tuning further if required.

My idea is, the basic tuning should get in to 3.5.0 release, and there can be further improvements which can get into later releases.

Adding other perf experts in the bug as CC. 

Team, we surely need to work on this collaboratively.

Comment 13 Prasanna Kumar Kalever 2019-06-27 08:01:45 UTC

PR: https://review.gluster.org/#/c/glusterfs/+/22963/

Comment 21 errata-xmlrpc 2019-10-30 12:21:23 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHEA-2019:3249