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https://issues.apache.org/jira/browse/FLINK-3492?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15234952#comment-15234952
]
ASF GitHub Bot commented on FLINK-3492:
---------------------------------------
Github user uce commented on a diff in the pull request:
https://github.com/apache/flink/pull/1794#discussion_r59193164
--- Diff:
flink-runtime/src/test/java/org/apache/flink/runtime/checkpoint/CheckpointCoordinatorTest.java
---
@@ -1066,26 +1069,23 @@ public Void answer(InvocationOnMock invocation)
throws Throwable {
coord.startCheckpointScheduler();
- //trigger first checkpoint
- Thread.sleep(100);
-
- assertEquals(1, numCalls.get());
-
- //no new checkpoint has been triggered
- Thread.sleep(100);
- assertEquals(1, numCalls.get());
-
- //no new checkpoint has been triggered
- Thread.sleep(100);
- assertEquals(1, numCalls.get());
-
- //new checkpoint has been triggered
- Thread.sleep(300);
- assertEquals(2, numCalls.get());
+ for (int x=0; x<20; x++) {
+ Thread.sleep(100);
+ if (numCalls.get() > 0) {
--- End diff --
And somehow you removed the comments. I would like to add them back (at the
end of the test as well) to make it easier to understand what's happening. ;)
> Allow users to define a min pause between checkpoints
> -----------------------------------------------------
>
> Key: FLINK-3492
> URL: https://issues.apache.org/jira/browse/FLINK-3492
> Project: Flink
> Issue Type: Improvement
> Components: Streaming
> Reporter: Robert Metzger
> Assignee: Chesnay Schepler
>
> FLINK-3051 introduced already a filed in the {{CheckpointConfig}} to specify
> a min pause between checkpoints.
> In high-load situations (big state), jobs might spend their entire time
> creating snapshots, not processing data. With a min pause between
> checkpoints, users can guarantee that there is a certain time-span the system
> can use for doing some actual data processing.
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