Github user zentol commented on a diff in the pull request: https://github.com/apache/flink/pull/2805#discussion_r87967007 --- Diff: flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/StreamTask.java --- @@ -586,7 +588,18 @@ private boolean performCheckpoint(CheckpointMetaData checkpointMetaData) throws // yet be created final CancelCheckpointMarker message = new CancelCheckpointMarker(checkpointMetaData.getCheckpointId()); for (ResultPartitionWriter output : getEnvironment().getAllWriters()) { - output.writeEventToAllChannels(message); + final Buffer eventBuffer = EventSerializer.toBuffer(message); --- End diff -- in any case the entire try/finally block could be moved into the ResultPartitionWriter, correct?
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