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Existence of Partition Message Heap

Last updated: 2022-01-14 16:10:57

    Issue Description

    There are always heaped messages in some partitions as displayed on the monitoring page.

    Possible Causes

    • The producer keeps producing messages to the partition while the consumer never consumes these messages.
    • There are insufficient consumers in the consumer group or the consumption speed is too slow.
    • The consumer does not consume messages in certain partitions due to bugs.

    Solutions

    • The producer keeps producing messages to the partition while the consumer never consumes these messages
      You can restart the client if messages in some partitions are not consumed. If the problem persists, you can either check the client logs first or submit a ticket for assistance.

    • There are insufficient consumers in the consumer group or the consumption speed is too slow
      Try increasing the number of consumers to improve consumption speed.

    • The consumer does not consume messages in certain partitions due to bugs
      Check the local logs of the consumer to see whether exceptions exist.

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