dawidwys commented on a change in pull request #16361:
URL: https://github.com/apache/flink/pull/16361#discussion_r665371432
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File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/io/checkpointing/CheckpointBarrierHandler.java
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@@ -153,6 +153,8 @@ protected void markAlignmentEnd() {
}
protected void markAlignmentEnd(long alignmentDuration) {
+ checkState(alignmentDuration >= 0 ||
latestAlignmentDurationNanos.isDone());
Review comment:
What is the case when `alignmentDuration < 0 &&
!latestAlignmentDurationNanos.isDone()` ? Is it a valid scenario? If it is
could you add a comment for it here?
Lastly, would be good to give some kind of a message here in case it is hit
by a user.
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