zhijiangW commented on a change in pull request #11786: [FLINK-17208][network]
Reduce redundant data available notifications of PipelinedSubpartition
URL: https://github.com/apache/flink/pull/11786#discussion_r410368726
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File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/PipelinedSubpartition.java
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@@ -307,6 +316,7 @@ public PipelinedSubpartitionView
createReadView(BufferAvailabilityListener avail
readView = new PipelinedSubpartitionView(this,
availabilityListener);
notifyDataAvailable = !buffers.isEmpty();
+ dataAvailableNotified = notifyDataAvailable;
Review comment:
Refer to https://github.com/apache/flink/pull/11786/files#r410367542, we can
remove `dataAvailableNotified = notifyDataAvailable;`
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