huwh commented on code in PR #22674:
URL: https://github.com/apache/flink/pull/22674#discussion_r1231819871
##########
flink-runtime/src/main/java/org/apache/flink/runtime/deployment/CachedShuffleDescriptors.java:
##########
@@ -104,4 +119,30 @@ public void
markPartitionFinished(IntermediateResultPartition resultPartition) {
checkNotNull(
resultPartitionIdToIndex.get(resultPartition.getPartitionId()))));
}
+
+ private boolean shouldOffload(ShuffleDescriptorAndIndex[]
shuffleDescriptorsToSerialize) {
+ return shuffleDescriptorsToSerialize.length * numConsumers
Review Comment:
In some scenarios, there may only be a few new shuffleDescriptors to
serialize, so it is more efficient to use Akka to transfer them directly.
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