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https://issues.apache.org/jira/browse/FLINK-13249?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16884960#comment-16884960
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Stefan Richter commented on FLINK-13249:
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[~gaoyunhaii] thanks for the input, I think what you wrote makes sense. So the
point that we would have to address is ensuring that the callback is not run by
the netty IO thread, because they are never allowed to run blocking op?
> Distributed Jepsen test fails with blocked TaskExecutor
> -------------------------------------------------------
>
> Key: FLINK-13249
> URL: https://issues.apache.org/jira/browse/FLINK-13249
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Network
> Affects Versions: 1.9.0
> Reporter: Till Rohrmann
> Assignee: Stefan Richter
> Priority: Blocker
> Labels: test-stability
> Fix For: 1.9.0
>
> Attachments: jstack_25661_YarnTaskExecutorRunner
>
>
> The distributed Jepsen test which kills {{JobMasters}} started to fail
> recently. From a first glance, it looks as if the {{TaskExecutor's}} main
> thread is blocked by some operation. Further investigation is required.
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