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  1. Cassandra
  2. CASSANDRA-12876

Negative mean write latency

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    Details

    • Severity:
      Normal

      Description

      The mean write latency returned by JMX turns negative every 30 minutes. As the attached screenshots show, the value turns negative every 30 minutes after the startup of the node.
      We did not experience this behavior in 2.1.16.

        Attachments

        1. 12876-2.2.txt
          5 kB
          Per Otterström
        2. 12876-2.2-v2.txt
          4 kB
          Per Otterström
        3. negative_mean_details.PNG
          29 kB
          Kévin LOVATO
        4. negative_mean_periodicity.PNG
          36 kB
          Kévin LOVATO
        5. negative_mean_read_latency.png
          32 kB
          Aleksandr Ivanov
        6. negative_mean.png
          57 kB
          Kévin LOVATO

          Activity

            People

            • Assignee:
              eperott Per Otterström Assign to me
              Reporter:
              alprema Kévin LOVATO
              Authors:
              Per Otterström
              Reviewers:
              Chris Lohfink

              Dates

              • Created:
                Updated:
                Resolved:

                Issue deployment