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https://issues.apache.org/jira/browse/FLINK-3182?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15063827#comment-15063827
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Stephan Ewen commented on FLINK-3182:
-------------------------------------
I think this is a minor issue right now. Fixing this would probably be quite
tricky, making the netty response handles in the future of the request (and
make sure Netty's threads are the execution context for the future)
> TaskManagersHandler can block web frontend
> ------------------------------------------
>
> Key: FLINK-3182
> URL: https://issues.apache.org/jira/browse/FLINK-3182
> Project: Flink
> Issue Type: Bug
> Components: Webfrontend
> Affects Versions: 0.10.1
> Reporter: Ufuk Celebi
>
> In {{TaskManagersHandler}}:
> {code}
> Future<Object> future = jobManager.ask(
> new JobManagerMessages.RequestTaskManagerInstance(instanceID),
> timeout);
> TaskManagerInstance instance = (TaskManagerInstance) Await.result(
> future,
> timeout);
> {code}
> The default timeout is 10 seconds. Depending on the number of event loop
> threads and requests this can block the web server.
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