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From "Anu Engineer (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-12325) RPC Metrics : Add the ability track and log slow RPCs
Date Sat, 15 Aug 2015 00:01:37 GMT
Anu Engineer created HADOOP-12325:
-------------------------------------

             Summary: RPC Metrics : Add the ability track and log slow RPCs
                 Key: HADOOP-12325
                 URL: https://issues.apache.org/jira/browse/HADOOP-12325
             Project: Hadoop Common
          Issue Type: Improvement
          Components: ipc, metrics
    Affects Versions: 2.7.1
            Reporter: Anu Engineer
            Assignee: Anu Engineer


This JIRA proposes to add a counter called RpcSlowCalls and also a configuration setting that
allows users to log really slow RPCs.  Slow RPCs are RPCs that fall at 99th percentile. This
is useful to troubleshoot why certain services like name node freezes under heavy load.




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