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Posted to issues@flink.apache.org by "Zhu Zhu (Jira)" <ji...@apache.org> on 2022/06/20 11:44:00 UTC

[jira] [Created] (FLINK-28138) Add metrics for speculative execution

Zhu Zhu created FLINK-28138:
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             Summary: Add metrics for speculative execution
                 Key: FLINK-28138
                 URL: https://issues.apache.org/jira/browse/FLINK-28138
             Project: Flink
          Issue Type: Sub-task
          Components: Documentation
            Reporter: Zhu Zhu
             Fix For: 1.16.0


Following two metrics will be added to expose job problems and show the effectiveness of speculative execution:
 # {*}numSlowExecutionVertices{*}: Number of slow execution vertices at the moment.
 # {*}numEffectiveSpeculativeExecutions{*}: Number of speculative executions which finish before their corresponding original executions finish.



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