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From "Nicolas Liochon (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-9869) Optimize HConnectionManager#getCachedLocation
Date Thu, 31 Oct 2013 16:57:17 GMT
Nicolas Liochon created HBASE-9869:
--------------------------------------

             Summary: Optimize HConnectionManager#getCachedLocation
                 Key: HBASE-9869
                 URL: https://issues.apache.org/jira/browse/HBASE-9869
             Project: HBase
          Issue Type: Bug
          Components: Client
    Affects Versions: 0.96.0, 0.98.0
            Reporter: Nicolas Liochon
            Assignee: Nicolas Liochon
             Fix For: 0.98.0, 0.96.1


It javadoc says: "TODO: This method during writing consumes 15% of CPU doing lookup". This
is still true, says Yourkit. With 0.96, we also spend more time in these methods. We retry
more, and the AsyncProcess calls it in parallel.

I don't have the patch for this yet, but I will spend some time on it.



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