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From Jean-Baptiste Onofré (Jira) <j...@apache.org>
Subject [jira] [Resolved] (KARAF-6480) Permgen JVM options still being used on Windows
Date Sun, 05 Jan 2020 06:12:00 GMT

     [ https://issues.apache.org/jira/browse/KARAF-6480?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jean-Baptiste Onofré resolved KARAF-6480.
-----------------------------------------
    Resolution: Fixed

> Permgen JVM options still being used on Windows
> -----------------------------------------------
>
>                 Key: KARAF-6480
>                 URL: https://issues.apache.org/jira/browse/KARAF-6480
>             Project: Karaf
>          Issue Type: Bug
>          Components: karaf
>    Affects Versions: 4.2.7
>            Reporter: Richard Sands
>            Assignee: Jean-Baptiste Onofré
>            Priority: Minor
>             Fix For: 4.3.0, 4.2.8
>
>
> The -XX:PermSize and -XX:MaxPermSize options are still being set in karaf.bat, but they
are deprecated in Java 8+ and ignored in Java 11+.
> The equivalent parameters were handled for Linux in KARAF-3945.
> These JVM parameters are deprecated starting in Java 8 but are "still accepted and acted
upon" through Java 10:
> [https://docs.oracle.com/javase/8/docs/technotes/tools/windows/java.html]
> [https://docs.oracle.com/javase/10/tools/java.htm]
> Starting in Java 11, these options are "accepted but ignored":
> [https://docs.oracle.com/en/java/javase/11/tools/java.html]
> And they are still accepted through the latest: Java 13.
> These options would ideally (for me) be replaced with the equivalent Metaspace parameters
-XX:MetaspaceSize and -XX:MaxMetaspaceSize. More info:
> [https://blogs.oracle.com/poonam/about-g1-garbage-collector,-permanent-generation-and-metaspace]



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