[jbossts-issues] [JBoss JIRA] (JBTM-2277) GC Overhead issue when building WildFly Full Feature Pack

[Michael Musgrove (JIRA)]

    [ https://issues.jboss.org/browse/JBTM-2277?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13018727#comment-13018727 ] 

Michael Musgrove commented on JBTM-2277:
----------------------------------------

The oracle tuning guide (http://www.oracle.com/technetwork/java/javase/gc-tuning-6-140523.html) says:

{quote}
The parallel collector will throw an OutOfMemoryError if too much time is being spent in garbage collection: if more than 98% of the total time is spent in garbage collection and less than 2% of the heap is recovered, an OutOfMemoryError will be thrown
{/quote}

and then goes on to discuss the parallel garbage collector. Adding the following setting to the build resolves the issue:
MAVEN_OPTS="-XX:+UseConcMarkSweepGC"


> GC Overhead issue when building WildFly Full Feature Pack
> ---------------------------------------------------------
>
>                 Key: JBTM-2277
>                 URL: https://issues.jboss.org/browse/JBTM-2277
>             Project: JBoss Transaction Manager
>          Issue Type: Bug
>          Components: Testing
>            Reporter: Gytis Trikleris
>            Assignee: Michael Musgrove
>            Priority: Blocker
>             Fix For: 5.0.4
>
>
> http://172.17.131.2/view/Status/job/narayana-AS800/628/
> {code}
> [ERROR] GC overhead limit exceeded -> [Help 1]
> [ERROR] 
> [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
> [ERROR] Re-run Maven using the -X switch to enable full debug logging.
> [ERROR] 
> [ERROR] For more information about the errors and possible solutions, please read the following articles:
> [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/OutOfMemoryError
> {code}



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