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From "Alan Burlison (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12261) Surefire needs to make sure the JVMs it fires up fit within the memory available
Date Thu, 06 Aug 2015 15:45:05 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14660182#comment-14660182
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Alan Burlison commented on HADOOP-12261:
----------------------------------------

I've tried setting -Xmx2048m and I got a GC time exceeded error, at 3Gb it seems to work but
as I only get a small fraction of the way through the test suite due to other multiple failures
I'm hesitant to say I have it fixed. I can't even get the Hadoop test suite to run successfully
on a stripped-down VM with a vanilla network configuration. The parlous state of the Hadoop
test suite is a major blocker, to the point where I'm beginning to question if I can realistically
complete the addition of Solaris support - if I can't test Hadoop then I'll never know if
the changes are actually correct or not.

> Surefire needs to make sure the JVMs it fires up fit within the memory available
> --------------------------------------------------------------------------------
>
>                 Key: HADOOP-12261
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12261
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: test
>    Affects Versions: 2.7.1
>            Reporter: Alan Burlison
>            Assignee: Alan Burlison
>
> hadoop-project/pom.xml sets maven-surefire-plugin.argLine to include -Xmx4096m. Allocating
 that amount of memory requires a 64-bit JVM, but on platforms with both 32 and 64-bit JVMs
surefire runs the 32 bit version by default and tests fail to start as a result. "-d64" should
be added to the command-line arguments to ensure a 64-bit JVM is always used.



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