TsReaper commented on a change in pull request #12867:
URL: https://github.com/apache/flink/pull/12867#discussion_r455641265
##########
File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/operators/collect/CollectResultIterator.java
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@@ -40,18 +43,37 @@
public CollectResultIterator(
CompletableFuture<OperatorID> operatorIdFuture,
TypeSerializer<T> serializer,
- String accumulatorName) {
- this.fetcher = new CollectResultFetcher<>(operatorIdFuture,
serializer, accumulatorName);
+ String accumulatorName,
+ CheckpointConfig checkpointConfig) {
+ if (checkpointConfig.getCheckpointingMode() ==
CheckpointingMode.EXACTLY_ONCE) {
+ if (checkpointConfig.getCheckpointInterval() >=
CheckpointCoordinatorConfiguration.MINIMAL_CHECKPOINT_TIME) {
+ this.fetcher = new CollectResultFetcher<>(
+ new
CheckpointedCollectResultBuffer<>(serializer),
+ operatorIdFuture,
+ accumulatorName);
+ } else {
+ this.fetcher = new CollectResultFetcher<>(
+ new
UncheckpointedCollectResultBuffer<>(serializer, false),
+ operatorIdFuture,
+ accumulatorName);
+ }
Review comment:
OK... It seems that `checkpointConfig.isCheckpointingEnabled()` is a
better solution.
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