pnowojski commented on code in PR #21503:
URL: https://github.com/apache/flink/pull/21503#discussion_r1104539625
##########
flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/StreamTask.java:
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@@ -417,7 +420,12 @@ protected StreamTask(
this.asyncExceptionHandler = new
StreamTaskAsyncExceptionHandler(environment);
this.asyncOperationsThreadPool =
- Executors.newCachedThreadPool(
+ new ThreadPoolExecutor(
+ 0,
+ configuration.getMaxConcurrentCheckpoints() + 1,
Review Comment:
@liming30 first step in situation like this should be always to look for
recent (maybe already closed) tickets if this is a known issue. In this case
this is this one: https://issues.apache.org/jira/browse/FLINK-30972 . If you
rebase on the latest master the problem should go away.
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