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Posted to issues@flink.apache.org by "Weihua Hu (Jira)" <ji...@apache.org> on 2023/04/07 08:01:00 UTC

[jira] [Created] (FLINK-31752) SourceOperatorStreamTask increments numRecordsOut twice

Weihua Hu created FLINK-31752:
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             Summary: SourceOperatorStreamTask increments numRecordsOut twice
                 Key: FLINK-31752
                 URL: https://issues.apache.org/jira/browse/FLINK-31752
             Project: Flink
          Issue Type: Bug
          Components: Runtime / Metrics
    Affects Versions: 1.17.0
            Reporter: Weihua Hu
         Attachments: image-2023-04-07-15-51-44-304.png

The counter of numRecordsOut was introduce to ChainingOutput to reduce the function call stack depth in 
https://issues.apache.org/jira/browse/FLINK-30536

But SourceOperatorStreamTask.AsyncDataOutputToOutput increments the counter of numRecordsOut too. This results in the source operator's numRecordsOut are doubled.

We should delete the numRecordsOut.inc in SourceOperatorStreamTask.AsyncDataOutputToOutput

 !image-2023-04-07-15-51-44-304.png! 



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