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  1. Kafka
  2. KAFKA-10189

Reset metric EventQueueTimeMs

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 2.7.0
    • Component/s: controller, core, metrics
    • Labels:
      None

      Description

      The metric EventQueueTimeMs does not reset and therefore misrepresents the controller event queue time in these two scenarios:
      1. upon losing leader election - `EventQueueTimeMs` portrays the last event queue time of the previous controller and not the current controller
      2. no controller events are added to the queue - `EventQueueTimeMs` portrays the most recent event queue time, not the current queue time (which is 0)

      For both cases, we should reset the controller event queue time to 0.

      Implementation:

      Instead of using `LinkedBlockingQueue.take()` here, we can use `LinkedBlockingQueue.poll(long timeout, TimeUnit unit)` and reset `EventQueueTimeMs` if the queue is empty.

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            • Assignee:
              jeffkbkim Jeff Kim
              Reporter:
              jeffkbkim Jeff Kim
              Reviewer:
              Jose Armando Garcia Sancio

              Dates

              • Created:
                Updated:
                Resolved:

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