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  1. Debezium
  2. DBZ-837

Tasks threads stay alive during tasks rebalancing

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    • Bug
    • Resolution: Obsolete
    • Major
    • None
    • 0.7.5, 0.8.1.Final
    • mongodb-connector
    • None
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      Prerequisite conditions:
      Kafka Connect running in distributed mode with 3 nodes ["1", "2", "3"].
      Scenario:
      1) Start connector "A". Observe that Worker is assigned to node "1" and task is assigned to node "2".
      2) Start connector "B". Observe that "A" connector's task is re-assigned to node other than "2" but task's threads for replicator and MongoDB are still alive on node "2".

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      Prerequisite conditions: Kafka Connect running in distributed mode with 3 nodes ["1", "2", "3"] . Scenario: 1) Start connector "A". Observe that Worker is assigned to node "1" and task is assigned to node "2". 2) Start connector "B". Observe that "A" connector's task is re-assigned to node other than "2" but task's threads for replicator and MongoDB are still alive on node "2".

    Description

      This issue looks very similar to DBZ-672 but it happens when task shutdown happens during tasks rebalancing but not connector deletion. I'm using Kafka 1.0.0.

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            jpechane Jiri Pechanec
            scandinaff Oleg Sergeev (Inactive)
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              Updated:
              Resolved: