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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-6346) Metrics updating may be using excessive CPU
Date Fri, 06 Jul 2012 23:55:33 GMT
Andrew Purtell created HBASE-6346:
-------------------------------------

             Summary: Metrics updating may be using excessive CPU
                 Key: HBASE-6346
                 URL: https://issues.apache.org/jira/browse/HBASE-6346
             Project: HBase
          Issue Type: Bug
         Environment: Hadoop 2.0.1-alpha, HBase 0.94.1-SNAPSHOT
            Reporter: Andrew Purtell
         Attachments: graph.gif, jstack.txt, runnable_cpu_profile.png

I've only started looking at this but became concerned when a completely quiescent cluster
loads up 20% CPU (system+user) once HBase comes up.

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