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  1. Hadoop Common
  2. HADOOP-12325

RPC Metrics : Add the ability track and log slow RPCs

    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 2.7.1
    • Fix Version/s: 2.8.0, 2.7.4, 3.0.0-alpha1
    • Component/s: ipc, metrics
    • Labels:
      None
    • Target Version/s:
    • Hadoop Flags:
      Reviewed

      Description

      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.

        Attachments

        1. Callers of WritableRpcEngine.call.png
          142 kB
          Xiaoyu Yao
        2. HADOOP-12325.001.patch
          17 kB
          Anu Engineer
        3. HADOOP-12325.002.patch
          15 kB
          Anu Engineer
        4. HADOOP-12325.003.patch
          15 kB
          Anu Engineer
        5. HADOOP-12325.004.patch
          15 kB
          Anu Engineer
        6. HADOOP-12325.005.patch
          16 kB
          Anu Engineer
        7. HADOOP-12325.005.test.patch
          16 kB
          Akira Ajisaka
        8. HADOOP-12325.006.patch
          16 kB
          Anu Engineer
        9. HADOOP-12325-branch-2.7.00.patch
          18 kB
          Zhe Zhang

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              • Assignee:
                anu Anu Engineer
                Reporter:
                anu Anu Engineer
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                Dates

                • Created:
                  Updated:
                  Resolved: