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_r410368414
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/PipelinedSubpartition.java
##########
@@ -434,15 +445,12 @@ public int getBuffersInBacklog() {
}
}
- private boolean shouldNotifyDataAvailable() {
- // Notify only when we added first finished buffer.
- return readView != null && !flushRequested &&
getNumberOfFinishedBuffers() == 1;
+ private boolean mayNotifyDataAvailable() {
+ return readView != null && !dataAvailableNotified;
}
private void notifyDataAvailable() {
Review comment:
Refer to https://github.com/apache/flink/pull/11786/files#r410367542, we can
keep this method to add the `dataAvailableNotified = true` inside.
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