AHeise 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_r402256150
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/consumer/RemoteInputChannel.java
##########
@@ -514,20 +532,29 @@ public void onBuffer(Buffer buffer, int sequenceNumber,
int backlog) throws IOEx
try {
- final boolean wasEmpty;
- synchronized (receivedBuffers) {
- // Similar to notifyBufferAvailable(), make
sure that we never add a buffer
- // after releaseAllResources() released all
buffers from receivedBuffers
- // (see above for details).
- if (isReleased.get()) {
- return;
- }
+ // Similar to notifyBufferAvailable(), make sure that
we never add a buffer
+ // after releaseAllResources() released all buffers
from receivedBuffers
+ // (see above for details).
+ if (isReleased.get()) {
+ return;
+ }
- if (expectedSequenceNumber != sequenceNumber) {
- onError(new
BufferReorderingException(expectedSequenceNumber, sequenceNumber));
- return;
+ if (expectedSequenceNumber != sequenceNumber) {
+ onError(new
BufferReorderingException(expectedSequenceNumber, sequenceNumber));
+ return;
+ }
+
+ if (inputGate.bufferReceivedListener != null) {
+ CheckpointBarrier checkpointBarrier =
parseCheckpointBarrier(buffer);
+ if (checkpointBarrier == null) {
+
inputGate.bufferReceivedListener.notifyBufferReceived(buffer, channelInfo);
+ } else {
+
inputGate.bufferReceivedListener.notifyBarrierReceived(checkpointBarrier,
channelInfo);
}
+ }
+ final boolean wasEmpty;
+ synchronized (receivedBuffers) {
Review comment:
Changed the commit. The main idea is to minimize code performed under lock,
but I have moved the things that are actually guarded by the monitor object
correctly into the synchronized block.
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