AHeise 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_r400972586
##########
File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/SubtaskCheckpointCoordinatorImpl.java
##########
@@ -175,6 +203,77 @@ public void checkpointState(
}
}
+ private OperatorSnapshotFutures buildOperatorSnapshotFutures(
+ CheckpointMetaData checkpointMetaData,
+ CheckpointOptions checkpointOptions,
+ OperatorChain<?, ?> operatorChain,
+ StreamOperator<?> op,
+ Supplier<Boolean> isCanceled,
+ ChannelStateWriteResult channelStateWriteResult) throws
Exception {
+ CheckpointStreamFactory storage =
checkpointStorage.resolveCheckpointStorageLocation(
+ checkpointMetaData.getCheckpointId(),
+ checkpointOptions.getTargetLocation());
+ OperatorSnapshotFutures snapshotInProgress =
checkpointStreamOperator(
+ op,
+ checkpointMetaData,
+ checkpointOptions,
+ storage,
+ isCanceled);
+ if (op == operatorChain.getHeadOperator()) {
+
snapshotInProgress.setInputChannelStateFuture(channelStateWriteResult
+
.getInputChannelStateHandles()
+
.thenApply(StateObjectCollection::new)
+
.thenApply(SnapshotResult::of)
+ );
Review comment:
weird format.
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