[jboss-jira] [JBoss JIRA] (WFLY-4681) Reevaluation of java memory settings

[Andrig Miller (JIRA)]

    [ https://issues.jboss.org/browse/WFLY-4681?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13071623#comment-13071623 ] 

Andrig Miller commented on WFLY-4681:
-------------------------------------

To come up with new defaults we also need to involve the JBDS team, as some of them are set they way they are because of tooling.  We can do some testing, and some time ago we also ran across an issue on Windows where some defaults worked fine on all platforms except Windows.  So, Windows, Mac OS X, and Linux (Fedora, RHEL) all need to be tested with the options, and tested booting up in JBDS/JBoss Tools.

> Reevaluation of java memory settings
> ------------------------------------
>
>                 Key: WFLY-4681
>                 URL: https://issues.jboss.org/browse/WFLY-4681
>             Project: WildFly
>          Issue Type: Bug
>          Components: Server
>    Affects Versions: 10.0.0.Alpha1
>            Reporter: Marek Kopecký
>            Assignee: Andrig Miller
>
> Based on [~ctomc]'s comment in https://issues.jboss.org/browse/JBEAP-149,
> perf team should do some testing and suggest best values for java memory settings in WildFly (-Xms, -Xmx, ...). This settings need to be completely reevaluated as EAP7 moved to JDK8 as requirement.
> JDK8 doesn't have PermGen space anymore but metaspace, this completely changes how memory settings need to be tuned.



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