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Posted to dev@flink.apache.org by "Sebastian Mattheis (Jira)" <ji...@apache.org> on 2022/02/21 10:03:00 UTC

[jira] [Created] (FLINK-26279) Provide mailbox delay metric

Sebastian Mattheis created FLINK-26279:
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             Summary: Provide mailbox delay metric
                 Key: FLINK-26279
                 URL: https://issues.apache.org/jira/browse/FLINK-26279
             Project: Flink
          Issue Type: New Feature
          Components: Runtime / Metrics
            Reporter: Sebastian Mattheis


Related to FLINK-25414. In order to better debug Task being blocked in busy state, we can periodically enqueue a mailbox action and check how long it took for the task thread to execute such action. We can report this delay as task thread delay/mailbox delay. Would be helpful for debugging why unaligned checkpoints are taking so long to trigger/execute.



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