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From "Till Rohrmann (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-7444) Make external calls non-blocking
Date Mon, 14 Aug 2017 12:51:00 GMT
Till Rohrmann created FLINK-7444:

             Summary: Make external calls non-blocking
                 Key: FLINK-7444
                 URL: https://issues.apache.org/jira/browse/FLINK-7444
             Project: Flink
          Issue Type: Bug
          Components: Distributed Coordination
    Affects Versions: 1.4.0
            Reporter: Till Rohrmann
            Assignee: Till Rohrmann

All external calls from a {{RpcEndpoint}} can be potentially blocking, e.g. calls to the {{FatalErrorHandler}}.
Therefore, I propose to make all these calls coming from the {{RpcEndpoint's}} main thread
non-blocking by running them in an {{Executor}}. That way the main thread will never be blocked.

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