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Posted to common-issues@hadoop.apache.org by "Anu Engineer (JIRA)" <ji...@apache.org> on 2015/08/15 02:01:37 UTC

[jira] [Created] (HADOOP-12325) RPC Metrics : Add the ability track and log slow RPCs

Anu Engineer created HADOOP-12325:
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             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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