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Posted to issues@flink.apache.org by "zlzhang0122 (Jira)" <ji...@apache.org> on 2020/12/11 05:54:00 UTC

[jira] [Created] (FLINK-20571) Add dynamic open/close LatencyMarksEmitter to support online debug and monitoring

zlzhang0122 created FLINK-20571:
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             Summary: Add dynamic open/close LatencyMarksEmitter to support online debug and monitoring
                 Key: FLINK-20571
                 URL: https://issues.apache.org/jira/browse/FLINK-20571
             Project: Flink
          Issue Type: Improvement
          Components: API / DataStream
            Reporter: zlzhang0122


Now, flink has provided latency metrics to monitor the latency, but this function mainly used in debugging contexts rather than in production contexts because of throughput effect. If we can provider an api that can dynamic open/close this function, then we can monitor the online data latency and find out the performance bottleneck in time with out restart the job, which maybe very helpful. 



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