lindong28 commented on code in PR #21579:
URL: https://github.com/apache/flink/pull/21579#discussion_r1062401396
##########
flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/OperatorChain.java:
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@@ -622,6 +627,43 @@ private Map<StreamConfig.SourceInputConfig, ChainedSource>
createChainedSources(
return chainedSourceInputs;
}
+ // Get the numRecordsOut counter for the operator represented by the given
config. And re-use
+ // this operator-level counter for the task-level numRecordsOut counter if
this operator
+ // is at the end of the operator chain.
+ //
+ // Return null if we should not use the numRecordsOut counter to track the
records emitted
+ // by this operator.
Review Comment:
Thanks. It is fixed now.
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