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https://issues.apache.org/jira/browse/AMBARI-7846?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Srimanth Gunturi updated AMBARI-7846:
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Attachment: AMBARI-7846.patch
> Change NameNode to start with: -XX:PermSize=128m -XX:MaxPermSize=256m by
> default
> --------------------------------------------------------------------------------
>
> Key: AMBARI-7846
> URL: https://issues.apache.org/jira/browse/AMBARI-7846
> Project: Ambari
> Issue Type: Bug
> Components: ambari-client, ambari-server, ambari-web
> Affects Versions: 1.7.0
> Reporter: Srimanth Gunturi
> Assignee: Srimanth Gunturi
> Fix For: 1.7.0
>
> Attachments: AMBARI-7846.patch
>
>
> PROBLEM: We have seen full GCs in multiple customer environments caused due
> to the current PermSize for the namenode being too low.
> GC entry that shows the issue:
> 2014-06-27T08:37:07.576+0000: 5030.881: [Full GC 5030.882: CMS:
> 29444717K->18807183K(80740352K), 135.6197500 secs
> 29685838K->18807183K(83571520K),
> 22577K->22479K(22784K)],+135.6199670+secs">*CMS Perm :
> 22577K->22479K(22784K)]* , 135.6199670 secs Times: user=134.95 sys=0.61,
> real=135.62 secs
> The settings which passes are:
> XX:PermSize=128m -XX:MaxPermSize=256m.
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