wsry commented on a change in pull request #11351: [FLINK-16404][runtime] Solve
the potential deadlock problem when reducing exclusive buffers to zero
URL: https://github.com/apache/flink/pull/11351#discussion_r404583090
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/PipelinedSubpartition.java
##########
@@ -197,13 +197,18 @@ BufferAndBacklog pollBuffer() {
return null;
}
+ boolean isExactlyOnceCheckpointBarrier =
buffer.getDataType().isExactlyOnceCheckpointBarrier();
+ if (isExactlyOnceCheckpointBarrier) {
+ readView.blockOnCheckpointBarrier();
Review comment:
As discussed, I moved the ```blockedByCheckpoint``` tag to subpartition.
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