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https://issues.apache.org/jira/browse/FLINK-10074?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16605920#comment-16605920
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ASF GitHub Bot commented on FLINK-10074:
----------------------------------------
yanghua commented on a change in pull request #6567: [FLINK-10074] Allowable
number of checkpoint failures
URL: https://github.com/apache/flink/pull/6567#discussion_r215670211
##########
File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/StreamTask.java
##########
@@ -875,6 +876,9 @@ public void run() {
localTaskOperatorSubtaskStates,
asyncDurationMillis);
+ if
(owner.asynchronousCheckpointExceptionHandler != null) {
Review comment:
@azagrebin In the normal runtime it will not be null, plus this judgment is
mainly for the checkpoint test code (it does not perform the initialization
logic for the asynchronousCheckpointExceptionHandler), if not added then the
test code will report to the NPE, so in the second commit, I added this
judgment.
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> Allowable number of checkpoint failures
> ----------------------------------------
>
> Key: FLINK-10074
> URL: https://issues.apache.org/jira/browse/FLINK-10074
> Project: Flink
> Issue Type: Improvement
> Components: State Backends, Checkpointing
> Reporter: Thomas Weise
> Assignee: vinoyang
> Priority: Major
> Labels: pull-request-available
>
> For intermittent checkpoint failures it is desirable to have a mechanism to
> avoid restarts. If, for example, a transient S3 error prevents checkpoint
> completion, the next checkpoint may very well succeed. The user may wish to
> not incur the expense of restart under such scenario and this could be
> expressed with a failure threshold (number of subsequent checkpoint
> failures), possibly combined with a list of exceptions to tolerate.
>
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