wsry commented on a change in pull request #11877:
URL: https://github.com/apache/flink/pull/11877#discussion_r662016156
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File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/consumer/RemoteInputChannel.java
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@@ -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:
I think it does not slow down the load after resuming. It is just for
the simplicity of handling unannounced credit. Maybe we have already announced
the credits to the producer.
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