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_r410357221
########## File path: flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/PipelinedSubpartition.java ########## @@ -252,16 +258,19 @@ BufferAndBacklog pollBuffer() { } if (buffer == null) { + dataAvailableNotified = false; Review comment: I guess the path of `buffer == null` was caused by duplicated notification for `LocalInputChannel`. If we already fixed the duplicated notification in this PR, can we remove this path for simple? ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services