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_r408061523
########## File path: flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/consumer/RemoteInputChannel.java ########## @@ -206,6 +214,25 @@ void retriggerSubpartitionRequest(int subpartitionIndex) throws IOException { return Optional.of(new BufferAndAvailability(next, moreAvailable, getSenderBacklog())); } + @Override + public List<Buffer> requestInflightBuffers(long checkpointId) throws IOException { + synchronized (receivedBuffers) { + checkState(checkpointId > lastRequestedCheckpointId, "Need to request the next checkpointId"); + + final List<Buffer> inflightBuffers = new ArrayList<>(receivedBuffers.size()); + for (Buffer buffer : receivedBuffers) { + if (!buffer.isBuffer() && parseCheckpointBarrierOrNull(buffer) != null) { Review comment: 👍 for 1. For 2., this is done implicitly (I know not ideal), through `CheckpointedInputGate#requestInflightBuffers`, which will only delegate to this method if it indeed has some data. ---------------------------------------------------------------- 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