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https://issues.apache.org/jira/browse/SOLR-5022?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13703274#comment-13703274
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Mark Miller commented on SOLR-5022:
-----------------------------------
bq. the Jenkins server on MacOSX runs with one JVM only (because the virtual
box has only 2 virtual CPUs). So all tests have to share the permgen. Windows
always passes because no hadoop used. And linux fails more seldom (2 parallel
JVMs).
Yes, this would match what I have seen in the wild - on the machines that have
fewer cores, I was more likely to see perm gen issues with certain agressive
tests. With my 6 core machines where I run with 8 jvms, I have never even
remotely seen an issue.
> PermGen exhausted test failures on Jenkins.
> -------------------------------------------
>
> Key: SOLR-5022
> URL: https://issues.apache.org/jira/browse/SOLR-5022
> Project: Solr
> Issue Type: Test
> Components: Tests
> Reporter: Mark Miller
> Fix For: 5.0, 4.4
>
> Attachments: SOLR-5022.patch
>
>
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