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https://jira.codehaus.org/browse/SUREFIRE-1110?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=355939#comment-355939
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Tibor Digana commented on SUREFIRE-1110:
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Hi Karl, Andreas
I have to use -Xmx768m -XX:MaxPermSize=768m on JDK 7 x64 on my PC.
It looks like the resources Karl has described 2G/1G is exhausting memory
resources.
I tried to make failsafe-plugin in surefire-integration-tests/pom.xml forked
without specifying memory options in MAVEN_OPTS, but the build failed on
java.lang.OutOfMemoryError: GC Overload Limit Exceeded
This has maybe happened due to very low memory limits for heaped and non-heaped
memory (I tried -Xmx256m). The JConsole says that these boundaries are on the
edge.
Why the IT have to run in the main process (see the POM failsafe-plugin in
surefire-integration-tests/pom.xml) ?
Do you think that removing <forkMode>never</forkMode> and increasing Xmx and
MaxPermSize would be acceptable?
<argLine>-Xmx512m -XX:MaxPermSize=356m</argLine>
I think nowadays with non-forked failsafe-plugin, the argLine should not
influence the main process in which the plugin is running.
So if we make it forked with memory limits -Xmx768m -XX:MaxPermSize=768m, then
the main process would not need memory limit in MAVEN_OPTS on the system.
Usually the unit tests run with unspecified Xmx and MaxPermSize.
> Document the memory requirements to run unit- and integration tests for a
> release test
> --------------------------------------------------------------------------------------
>
> Key: SUREFIRE-1110
> URL: https://jira.codehaus.org/browse/SUREFIRE-1110
> Project: Maven Surefire
> Issue Type: Improvement
> Components: documentation
> Affects Versions: 2.18
> Reporter: Karl-Heinz Marbaise
> Priority: Minor
> Fix For: 2.19
>
>
> It should be documented how to run unit and integration tests for a release
> check during the vote.
> The following memory requirements are needed:
> {{export MAVEN_OPTS="-Xmx2048m -Xms1024m -XX:MaxPermSize=512m
> -Djava.awt.headless=true"}}.
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