zhijiangW 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_r400645765
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/api/writer/RecordWriter.java
##########
@@ -153,13 +153,17 @@ protected boolean copyFromSerializerToTargetChannel(int
targetChannel) throws IO
return pruneTriggered;
}
- public void broadcastEvent(AbstractEvent event) throws IOException {
+ public void broadcastEvent(AbstractEvent event, boolean
isPriorityEvent) throws IOException {
try (BufferConsumer eventBufferConsumer =
EventSerializer.toBufferConsumer(event)) {
for (int targetChannel = 0; targetChannel <
numberOfChannels; targetChannel++) {
tryFinishCurrentBufferBuilder(targetChannel);
- // Retain the buffer so that it can be recycled
by each channel of targetPartition
-
targetPartition.addBufferConsumer(eventBufferConsumer.copy(), targetChannel);
+ if (isPriorityEvent) {
+ targetPartition.addPriorityEvent(event,
targetChannel, eventBufferConsumer);
Review comment:
I am a bit torn about passing both event and buffer in the interface method.
It seems not very clean on my side.
I guess we can make it happen to guarantee that `CheckpointBarrier` should
be inserted in head for unaligned option in any cases. Then it would make
things easy.
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