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_r401359992
##########
File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/SubtaskCheckpointCoordinatorImpl.java
##########
@@ -89,17 +101,98 @@ public void checkpointState(
checkpointMetaData.getCheckpointId(),
checkpointOptions.getTargetLocation());
- CheckpointingOperation.execute(
- checkpointMetaData,
- checkpointOptions,
- checkpointMetrics,
- storage,
- operatorChain,
- taskName,
- closeableRegistry,
- executorService,
- env,
- asyncExceptionHandler,
- isCanceled);
+ long startSyncPartNano = System.nanoTime();
Review comment:
nit: better to extract a separate method for the following operation,
otherwise this method seems too long for not easy tracing the steps.
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