zhijiangW commented on a change in pull request #8654: [FLINK-12647][network]
Add feature flag to disable release of consumed blocking partitions
URL: https://github.com/apache/flink/pull/8654#discussion_r293332653
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/ResultPartition.java
##########
@@ -381,17 +383,20 @@ void onConsumedSubpartition(int subpartitionIndex) {
return;
}
- int refCnt = pendingReferences.decrementAndGet();
-
- if (refCnt == 0) {
+ if (isManagedExternally) {
partitionManager.onConsumedPartition(this);
Review comment:
TBH I do not like the current way because it seems a bit hacky.
Because during `ResultPartition#onConsumedSubpartition`, the counter would
never be 0 for external case, so the
`ResultPartitionManager#onConsumedPartition` would never be called, then the
internal checking logic in `ResultPartitionManager#onConsumedPartition` seems
reductant.
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