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  1. Cassandra
  2. CASSANDRA-9526

Provide a JMX hook to monitor phi values in the FailureDetector

    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Fix Version/s: 2.2.4, 3.0.0
    • Component/s: None
    • Labels:
    • Flags:
      Patch
    • Reproduced In:

      Description

      phi_convict_threshold can be tuned, but there's currently no way to monitor the phi values to see if you're getting close.

      The attached patch adds the ability to get these values via JMX.

        Attachments

        1. Tiny-Race-Condition.patch
          2 kB
          Ron Kuris
        2. Phi-Log-Debug-When-Close.patch
          4 kB
          Ron Kuris
        3. Monitor-Phi-JMX.patch
          6 kB
          Ron Kuris

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              • Assignee:
                rkuris Ron Kuris
                Reporter:
                rkuris Ron Kuris
                Reviewer:
                Ariel Weisberg
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                Dates

                • Created:
                  Updated:
                  Resolved: