[jboss-jira] [JBoss JIRA] (WFLY-5198) Clustering performance regression

[Radoslav Husar (JIRA)]

    [ https://issues.jboss.org/browse/WFLY-5198?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13102073#comment-13102073 ] 

Radoslav Husar commented on WFLY-5198:
--------------------------------------

[~mvinkler] see this change for clusterbench that enables read-only support for wildfly 10  https://github.com/clusterbench/clusterbench/commit/6a0d4055c7a0f4370c20823f87452e03b72c4292

> Clustering performance regression
> ---------------------------------
>
>                 Key: WFLY-5198
>                 URL: https://issues.jboss.org/browse/WFLY-5198
>             Project: WildFly
>          Issue Type: Bug
>          Components: Clustering
>    Affects Versions: 10.0.0.Beta1
>            Reporter: Michal Vinkler
>            Assignee: Paul Ferraro
>            Priority: Blocker
>
> Our clustering stress tests show huge performance drop of 7.0.0.DR8 bits compared to 6.4.0 bits.
> Compare these results:
> stress-heavyread-session-repl-sync
> 7.0.0.DR8: [throughput|http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/eap-7x-stress-heavyread-session-repl-sync_noperf21/2/artifact/report/graph-throughput.png] + [response times|http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/eap-7x-stress-heavyread-session-repl-sync_noperf21/2/artifact/report/graph-reponse-times.png]
> 6.4.0.GA:  [throughput|http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/eap-6x-stress-heavyread-session-repl-sync_noperf21/1/artifact/report/graph-throughput.png] + [response times|http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/eap-6x-stress-heavyread-session-repl-sync_noperf21/1/artifact/report/graph-reponse-times.png]
> Jenkins runs (server configs + logs can be found here):
> 7.0.0.DR8: http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/eap-7x-stress-heavyread-session-repl-sync_noperf21/2/
> 6.4.0.GA: http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/eap-6x-stress-heavyread-session-repl-sync_noperf21/1/
> One can observe that when using 7.0.0.DR8 bits, throughput reaches a threshold of approximately 6000 TPS. This happens in each test using *REPL-SYNC* cache, for example:
> stress-session-repl-sync
> 7.0.0.DR8: [throughput|http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/eap-7x-stress-session-repl-sync_noperf21/2/artifact/report/graph-throughput.png] + [response times|http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/eap-7x-stress-session-repl-sync_noperf21/2/artifact/report/graph-reponse-times.png]
> 6.4.0.GA:  [throughput|http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/eap-6x-stress-session-repl-sync_noperf21/1/artifact/report/graph-throughput.png] + [response times|http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/eap-6x-stress-session-repl-sync_noperf21/1/artifact/report/graph-reponse-times.png]
> All tests use a 4-node EAP cluster and 5 nodes that generate load. Adding another node to the EAP cluster, the threshold is lowered to 5200 TPS and the max. response time raises, see:
> stress-heavyread-session-repl-sync with 5-node cluster
> 7.0.0.DR8: [throughput|http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/mvinkler_eap-7x-stress-heavyread-session-repl-sync_noperf21/1/artifact/report/graph-throughput.png] + [response times|http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/mvinkler_eap-7x-stress-heavyread-session-repl-sync_noperf21/1/artifact/report/graph-reponse-times.png]
> *Most of the other scenarios indicate performance regression as well*.
> stress-session-dist-sync
> 7.0.0.DR8: [throughput|http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/eap-7x-stress-session-dist-sync_noperf21/1/artifact/report/graph-throughput.png] + [response times|http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/eap-7x-stress-session-dist-sync_noperf21/1/artifact/report/graph-reponse-times.png]
> 6.4.0.GA: [throughput|http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/eap-6x-stress-session-dist-sync_noperf21/1/artifact/report/graph-throughput.png] + [response times|http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/eap-6x-stress-session-dist-sync_noperf21/1/artifact/report/graph-reponse-times.png]
> stress-session-repl-async
> 7.0.0.DR8: [throughput|http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/eap-7x-stress-session-repl-async_noperf21/2/artifact/report/graph-throughput.png] + [response times|http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/eap-7x-stress-session-repl-async_noperf21/2/artifact/report/graph-reponse-times.png]
> 6.4.0.GA: [throughput|http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/eap-6x-stress-session-repl-async_noperf21/1/artifact/report/graph-throughput.png] + [response times|http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/eap-6x-stress-session-repl-async_noperf21/1/artifact/report/graph-reponse-times.png]
> This issue is related to https://issues.jboss.org/browse/JBEAP-768



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