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https://issues.apache.org/jira/browse/FLINK-7789?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16495167#comment-16495167
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ASF GitHub Bot commented on FLINK-7789:
---------------------------------------
Github user pnowojski commented on a diff in the pull request:
https://github.com/apache/flink/pull/6091#discussion_r191760364
--- Diff:
flink-streaming-java/src/test/java/org/apache/flink/streaming/api/operators/async/AsyncWaitOperatorTest.java
---
@@ -212,6 +212,20 @@ public static void countDown() {
}
}
+ private static class TimeoutAwareLazyAsyncFunction extends
LazyAsyncFunction {
+ private static final long serialVersionUID =
1428714561365346128L;
+
+ @Override
+ public void timeout(Integer input, ResultFuture<Integer>
resultFuture) throws Exception {
+ if (input != null && input % 2 == 0) {
+
resultFuture.complete(Collections.singletonList(input * 3));
+ } else {
+ // ignore odd input number when it timeouts
--- End diff --
Move this comment to the top of this static class?
> Add handler for Async IO operator timeouts
> -------------------------------------------
>
> Key: FLINK-7789
> URL: https://issues.apache.org/jira/browse/FLINK-7789
> Project: Flink
> Issue Type: Improvement
> Components: DataStream API
> Reporter: Karthik Deivasigamani
> Assignee: blues zheng
> Priority: Major
>
> Currently Async IO operator does not provide a mechanism to handle timeouts.
> When a request times out it an exception is thrown and job is restarted. It
> would be good to pass a AsyncIOTimeoutHandler which can be implemented by the
> user and passed in the constructor.
> Here is the discussion from apache flink users mailing list
> http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/async-io-operator-timeouts-tt16068.html
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