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From "Till Rohrmann (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-7580) Let LeaderGatewayRetriever implementations automatically retry failed gateway retrieval operations
Date Tue, 05 Sep 2017 09:41:00 GMT
Till Rohrmann created FLINK-7580:
------------------------------------

             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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