[jboss-jira] [JBoss JIRA] (WFLY-5822) Clustering performance regression in ejbremote-dist-sync scenario

[Richard Achmatowicz (JIRA)]

    [ https://issues.jboss.org/browse/WFLY-5822?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13150848#comment-13150848 ] 

Richard Achmatowicz commented on WFLY-5822:
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Upon running with the jvmStatisticsInterval, noticed two things:

1. the total memory is not being recorded for EAP7 runs, which use JDK8. Also, the total memory statistics are being reported as null even with jvmStatisticsInterval turned on. Maybe the plugin for this component needs to be updated for JDK 8?

2. we have this wierdness with the tenured generation heap:

https://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/mvinkler_eap-7x-stress-ejbservlet-repl-sync/3/artifact/report/graph-cluster-memory.png
https://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/mvinkler_eap-6x-stress-ejbservlet-repl-sync/2/artifact/report/graph-cluster-memory.png

Tenured gen is rising without falling on the servers for EAP 7 which doesn't look healthy.


> Clustering performance regression in ejbremote-dist-sync scenario 
> ------------------------------------------------------------------
>
>                 Key: WFLY-5822
>                 URL: https://issues.jboss.org/browse/WFLY-5822
>             Project: WildFly
>          Issue Type: Bug
>          Components: Clustering, EJB
>    Affects Versions: 10.0.0.CR5
>            Reporter: Michal Vinkler
>            Assignee: Richard Achmatowicz
>            Priority: Critical
>
> Compared to EAP 6, all SYNC scenarios have the same/better performance except of this one, wonder why?
> Compare these results:
> stress-ejbremote-dist-sync
> 7.0.0.ER2: [throughput|http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/eap-7x-stress-ejbremote-dist-sync/4/artifact/report/graph-throughput.png]
> 6.4.0.GA: [throughput|http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/eap-6x-stress-ejbremote-dist-sync_noperf21/1/artifact/report/graph-throughput.png]
> ---------------------------------------
> Just for comparison: ejbremote REPL_SYNC scenario *performs well* on the other hand:
> stress-ejbremote-repl-sync
> 7.0.0.ER2: [throughput|http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/eap-7x-stress-ejbremote-repl-sync/3/artifact/report/graph-throughput.png]
> 6.4.0.GA: [throughput|http://jenkins.mw.lab.eng.bos.redhat.com/hudson/job/eap-6x-stress-ejbremote-repl-sync_noperf21/2/artifact/report/graph-throughput.png]



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