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Posted to issues@flink.apache.org by "Till Rohrmann (Jira)" <ji...@apache.org> on 2021/07/01 13:25:00 UTC

[jira] [Created] (FLINK-23209) Timeout heartbeat if the heartbeat target is no longer reachable

Till Rohrmann created FLINK-23209:
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             Summary: Timeout heartbeat if the heartbeat target is no longer reachable
                 Key: FLINK-23209
                 URL: https://issues.apache.org/jira/browse/FLINK-23209
             Project: Flink
          Issue Type: Improvement
          Components: Runtime / Coordination
    Affects Versions: 1.12.4, 1.13.1
            Reporter: Till Rohrmann
             Fix For: 1.14.0, 1.12.5, 1.13.2


With FLINK-23202 it should now be possible to see when a remote RPC endpoint is no longer reachable. This can be used by the {{HeartbeatManager}} to mark an heartbeat target as no longer reachable. That way, it is possible for Flink to react faster to losses of components w/o having to wait for the heartbeat timeout to expire. This will result in faster recoveries (e.g. if a {{TaskExecutor}} dies).



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