rkhachatryan commented on a change in pull request #11507: [FLINK-16587] Add basic CheckpointBarrierHandler for unaligned checkpoint URL: https://github.com/apache/flink/pull/11507#discussion_r407984986
########## File path: flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/consumer/RemoteInputChannel.java ########## @@ -523,15 +557,18 @@ public void onBuffer(Buffer buffer, int sequenceNumber, int backlog) throws IOEx return; } - if (expectedSequenceNumber != sequenceNumber) { - onError(new BufferReorderingException(expectedSequenceNumber, sequenceNumber)); - return; - } - wasEmpty = receivedBuffers.isEmpty(); receivedBuffers.add(buffer); - recycleBuffer = false; + + if (hasListener) { + if (buffer.isBuffer() && receivedCheckpointId < lastRequestedCheckpointId) { + notifyReceivedBuffer = buffer.retainBuffer(); + } else { + notifyReceivedBarrier = parseCheckpointBarrierOrNull(buffer); Review comment: Could this parsing be done outside of the `synchronized` block? (I assume it is relatively slow). This would also simplify code as we wouldn't need to declare `notifyReceivedBarrier` in advance. ---------------------------------------------------------------- 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