zhijiangW commented on a change in pull request #11351: [FLINK-16404][runtime]
Avoid caching buffers for blocked input channels before barrier alignment
URL: https://github.com/apache/flink/pull/11351#discussion_r406713682
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File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamingJobGraphGenerator.java
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@@ -883,16 +883,7 @@ private void configureCheckpointing() {
CheckpointingMode mode = cfg.getCheckpointingMode();
- boolean isExactlyOnce;
- if (mode == CheckpointingMode.EXACTLY_ONCE) {
- isExactlyOnce = true;
- } else if (mode == CheckpointingMode.AT_LEAST_ONCE) {
- isExactlyOnce = false;
- } else {
- throw new IllegalStateException("Unexpected
checkpointing mode. " +
- "Did not expect there to be another
checkpointing mode besides " +
- "exactly-once or at-least-once.");
- }
+ boolean isExactlyOnce = cfg.isCheckpointingEnabled() && mode ==
CheckpointingMode.EXACTLY_ONCE;
Review comment:
this change worths a separate hotfix commit
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