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  1. Cassandra
  2. CASSANDRA-9526

Provide a JMX hook to monitor phi values in the FailureDetector

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Details

    • Improvement
    • Status: Resolved
    • Normal
    • Resolution: Fixed
    • 2.2.4, 3.0.0
    • None
    • None
    • Docs

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

        Issue Links

          relates to

          Improvement - An improvement or enhancement to an existing feature or task. CASSANDRA-9536 The failure detector becomes more sensitive when the network is flakey

          • Low -
          • Open

          Activity

            People

              rkuris Ron Kuris
              rkuris Ron Kuris
              Ron Kuris
              Ariel Weisberg
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              Dates

                Created:
                Updated:
                Resolved: