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Posted to issues@flink.apache.org by "Maximilian Michels (Jira)" <ji...@apache.org> on 2019/12/13 18:37:00 UTC

[jira] [Created] (FLINK-15252) Heartbeat with large accumulator payload may cause instable clusters

Maximilian Michels created FLINK-15252:
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             Summary: Heartbeat with large accumulator payload may cause instable clusters
                 Key: FLINK-15252
                 URL: https://issues.apache.org/jira/browse/FLINK-15252
             Project: Flink
          Issue Type: Bug
          Components: Runtime / Coordination
            Reporter: Maximilian Michels


We've seen timeouts which look like they are induced by large accumulator payloads. Removing the accumulators stabilized the cluster.

IMHO the heartbeat should not contain the accumulator payload. Accumulators should be handled separately.



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