Srimanth Gunturi created AMBARI-7846:
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Summary: 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
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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