zhijiangW commented on a change in pull request #11515: [FLINK-16744][task]
implement channel state persistence for unaligned checkpoints
URL: https://github.com/apache/flink/pull/11515#discussion_r401360730
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File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/SubtaskCheckpointCoordinatorImpl.java
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@@ -65,6 +75,8 @@ public void checkpointState(
CheckpointMetrics checkpointMetrics,
OperatorChain<?, ?> operatorChain,
Supplier<Boolean> isCanceled) throws Exception {
+ checkNotNull(checkpointOptions);
Review comment:
nit: also `checkNotNull` for `checkpointMetaData` and `operatorChain`, and i
think they can be done with the commit `[FLINK-16744][task][refactor] extract
SubtaskCheckpointCoordinator`
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