wsry commented on a change in pull request #11877:
URL: https://github.com/apache/flink/pull/11877#discussion_r664997218
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/netty/CreditBasedPartitionRequestClientHandler.java
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@@ -340,7 +355,15 @@ private void decodeBufferOrEvent(
RemoteInputChannel inputChannel, NettyMessage.BufferResponse
bufferOrEvent)
throws Throwable {
if (bufferOrEvent.isBuffer() && bufferOrEvent.bufferSize == 0) {
- inputChannel.onEmptyBuffer(bufferOrEvent.sequenceNumber,
bufferOrEvent.backlog);
+ try {
+ inputChannel.onEmptyBuffer(bufferOrEvent.sequenceNumber,
bufferOrEvent.backlog);
+ } finally {
+ // recycle the empty buffer directly
+ Buffer buffer = bufferOrEvent.getBuffer();
+ if (buffer != null) {
+ buffer.recycleBuffer();
Review comment:
Yes, you are right. Previously, ```bufferOrEevnt.getBuffer()``` was
always ```null```. And currently, it should be never null. So we do not need to
support null buffer now.
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