[jira] [Created] (HDDS-5355) In ContainerStateMachine, share the executor threads between the containers

["Tsz-wo Sze (Jira)" <ji...@apache.org>]

Tsz-wo Sze created HDDS-5355:
--------------------------------

             Summary: In ContainerStateMachine, share the executor threads between the containers
                 Key: HDDS-5355
                 URL: https://issues.apache.org/jira/browse/HDDS-5355
             Project: Apache Ozone
          Issue Type: Improvement
          Components: Ozone Datanode
            Reporter: Tsz-wo Sze
            Assignee: Tsz-wo Sze


{code:java}
//ContainerStateMachine
  private ExecutorService getCommandExecutor(
      ContainerCommandRequestProto requestProto) {
    int executorId = (int)(requestProto.getContainerID() % executors.length);
    return executors[executorId];
  }
{code}
In the code above, different containers having the same remainder (mod executors.length ) will use the same executor even if some other executors are idle.  Ideally, different containers should use a different executor if there are executors available.



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