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Posted to issues@flink.apache.org by "Till Rohrmann (JIRA)" <ji...@apache.org> on 2019/03/07 10:25:00 UTC

[jira] [Created] (FLINK-11851) ClusterEntrypoint provides wrong executor to HaServices

Till Rohrmann created FLINK-11851:
-------------------------------------

             Summary: ClusterEntrypoint provides wrong executor to HaServices
                 Key: FLINK-11851
                 URL: https://issues.apache.org/jira/browse/FLINK-11851
             Project: Flink
          Issue Type: Bug
          Components: Runtime / Coordination
    Affects Versions: 1.7.2, 1.8.0
            Reporter: Till Rohrmann
            Assignee: Till Rohrmann
             Fix For: 1.7.3, 1.8.0


The {{ClusterEntrypoint}} provides the executor of the common {{RpcService}} to the {{HighAvailabilityServices}} which uses the executor to run io operations. In I/O heavy cases, this can block all {{RpcService}} threads and make the {{RpcEndpoints}} running in the respective {{RpcService}} unresponsive.

I suggest to introduce a dedicated I/O executor which is used for io heavy operations.



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