zhijiangW commented on a change in pull request #11687:
URL: https://github.com/apache/flink/pull/11687#discussion_r419513791
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File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/consumer/LocalInputChannel.java
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@@ -168,6 +175,12 @@ public void run() {
Optional<BufferAndAvailability> getNextBuffer() throws IOException,
InterruptedException {
checkError();
+ BufferAndAvailability bufferAndAvailability =
getNextRecoveredStateBuffer();
+ if (bufferAndAvailability != null) {
Review comment:
My previous assumption was that the local channel will not be chosen by
`SingleInputGate` to read if there were no buffers to insert into
`RecoveredInputChannel#receivedBuffers` to notify
`SingleInputGate.notifyChannelNonEmpty` before.
Or I missed some other corner case?
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