AHeise commented on a change in pull request #14024:
URL: https://github.com/apache/flink/pull/14024#discussion_r521147841
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File path:
flink-tests/src/test/java/org/apache/flink/test/checkpointing/UnalignedCheckpointITCase.java
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@@ -531,8 +534,10 @@ public void invoke(Long value, Context context) throws
Exception {
state.numOutput++;
if (state.completedCheckpoints < minCheckpoints) {
- // induce heavy backpressure until enough
checkpoints have been written
- Thread.sleep(0, 100_000);
+ // induce backpressure until enough checkpoints
have been written
+ if (random.nextInt(1000) == 42) {
Review comment:
Why do we need to reduce the backpressure here? I'm worried that any
solution on top of it will only work with a certain minimal flow.
Note that in
https://github.com/apache/flink/pull/13845/commits/ef4f78d9b7bedb10a8c7be3e062032d2e7a0c77c#diff-c0d448d637f04cc203de3592d7fab0ba2412f2d75c59dcf6e44cc4a3c18e5851R568
I added a modification to the test that avoids backpressuring during recovery
(by applying backpressure only after the first successful checkpoint.
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