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https://issues.apache.org/jira/browse/FLINK-31346?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Weijie Guo closed FLINK-31346.
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Fix Version/s: 1.16.2
Resolution: Fixed
> Batch shuffle IO scheduler does not throw TimeoutException if
> numRequestedBuffers is greater than 0
> ---------------------------------------------------------------------------------------------------
>
> Key: FLINK-31346
> URL: https://issues.apache.org/jira/browse/FLINK-31346
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Network
> Affects Versions: 1.16.1
> Reporter: Weijie Guo
> Assignee: Weijie Guo
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.17.0, 1.16.2
>
>
> We currently rely on throw exception to trigger downstream task failover to
> avoid read buffer request deadlock. But if {{numRequestedBuffers}} is greater
> than 0, IO scheduler does not throw {{TimeoutException}}. This will cause a
> deadlock.
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