wsry commented on a change in pull request #11877: URL: https://github.com/apache/flink/pull/11877#discussion_r662016156
########## File path: flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/consumer/RemoteInputChannel.java ########## @@ -357,11 +359,26 @@ public void resumeConsumption() throws IOException { checkState(!isReleased.get(), "Channel released."); checkPartitionRequestQueueInitialized(); + if (initialCredit == 0) { + unannouncedCredit.set(0); + } + // notifies the producer that this channel is ready to // unblock from checkpoint and resume data consumption partitionRequestClient.resumeConsumption(this); } + private void onBlockingUpstream() { + if (initialCredit == 0) { Review comment: We can also release the floating buffers if the initialCredit != 0. I think it does not slow down the load after resuming. -- 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. To unsubscribe, e-mail: issues-unsubscr...@flink.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org