Till Rohrmann created FLINK-11851:
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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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