Till Rohrmann created FLINK-4853:
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Summary: Clean up JobManager registration at the ResourceManager
Key: FLINK-4853
URL: https://issues.apache.org/jira/browse/FLINK-4853
Project: Flink
Issue Type: Sub-task
Components: ResourceManager
Reporter: Till Rohrmann
Assignee: Till Rohrmann
The current {{JobManager}} registration at the {{ResourceManager}} blocks
threads in the {{RpcService.execute}} pool. This is not ideal and can be
avoided by not waiting on a {{Future}} in this call.
I propose to encapsulate the leader id retrieval operation in a distinct
service so that it can be separated from the {{ResourceManager}}. This will
reduce the complexity of the {{ResourceManager}} and make the individual
components easier to test.
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