[jboss-jira] [JBoss JIRA] (WFCORE-2083) Reduce number of object allocations and memory footprint

[Tomaz Cerar (JIRA)]

     [ https://issues.jboss.org/browse/WFCORE-2083?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tomaz Cerar updated WFCORE-2083:
--------------------------------
    Summary: Reduce number of object allocations and memory footprint  (was: Increased Memory footprint in recent builds)


> Reduce number of object allocations and memory footprint
> --------------------------------------------------------
>
>                 Key: WFCORE-2083
>                 URL: https://issues.jboss.org/browse/WFCORE-2083
>             Project: WildFly Core
>          Issue Type: Bug
>          Components: Modules, Server
>    Affects Versions: 3.0.0.Alpha14
>            Reporter: Tomaz Cerar
>            Assignee: Tomaz Cerar
>            Priority: Critical
>
> In our test scenario (see below) memory footprint has been increased between EAP 7.0.0.GA and current EAP 7.1.0.DR7 for more than 8% (~8MB) for Full profile and more than 9% (~6.5MB) for web profile. Could you please comment whether this is intended.
> Test scenario:
> # Start EAP instance.
> # Measure its memory footprint - try to get the lowest possible footprint, that means force garbage collection a few times right before measuring. We enforce GC 10 times.
> We see an increase both in heap size (~ 29 vs. 34 MB) and the metaspace size (~ 64 vs. 68 MB) - these numbers are for standalone-full profile.



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