StephanEwen commented on a change in pull request #14186:
URL: https://github.com/apache/flink/pull/14186#discussion_r529488793
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File path:
flink-runtime/src/main/java/org/apache/flink/runtime/operators/coordination/OperatorCoordinator.java
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@@ -137,7 +145,7 @@ default void notifyCheckpointAborted(long checkpointId) {}
* complete (for example when a system failure happened directly after
committing the checkpoint,
* before calling the {@link #notifyCheckpointComplete(long)} method).
*/
- void resetToCheckpoint(byte[] checkpointData) throws Exception;
+ void resetToCheckpoint(@Nullable byte[] checkpointData) throws
Exception;
Review comment:
We also plan to add the `checkpointID` to the call in the future, so the
message should be that this is a reset to a checkpoint. Possibly with state.
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