zhijiangW commented on a change in pull request #11877:
URL: https://github.com/apache/flink/pull/11877#discussion_r422863695
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File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/PipelinedSubpartition.java
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@@ -70,6 +70,10 @@
@GuardedBy("buffers")
private int buffersInBacklog;
+ /** The number of non-event buffers to be announced to the downstream.
*/
+ @GuardedBy("buffers")
+ private int unannouncedBacklog;
Review comment:
The previous `buffersInBacklog` variable should be replaced by this new
variable, to avoid maintaining two variables.
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