Till Rohrmann created FLINK-7580:
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Summary: Let LeaderGatewayRetriever implementations automatically
retry failed gateway retrieval operations
Key: FLINK-7580
URL: https://issues.apache.org/jira/browse/FLINK-7580
Project: Flink
Issue Type: Improvement
Components: Distributed Coordination, Webfrontend
Affects Versions: 1.4.0
Reporter: Till Rohrmann
Assignee: Till Rohrmann
Priority: Minor
The {{LeaderGatewayRetrieval}} implementations {{AkkaJobManagerRetriever}} and
the {{RpcGatewayRetriever}} should automatically retry failed gateway retrieval
operations. This could be the case if the {{WebRuntimeMonitor}} is started
before the actual Akka/RPC component. I would propose to retry it a fixed
number of times with a short delay in between. If the resolution fails after
exceeding the retries, a new retrieval operation will be started when
requesting information from the {{WebRuntimeMonitor}} with FLINK-7533. This
ensures that the retry operation won't run forever but also that it will
eventually connect to the Akka/RPC component if it is existent.
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