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Posted to issues@flink.apache.org by "Weijie Guo (Jira)" <ji...@apache.org> on 2023/03/06 16:32:00 UTC
[jira] [Updated] (FLINK-31346) Batch shuffle IO scheduler does not throw TimeoutException if numRequestedBuffers is greater than 0
[ https://issues.apache.org/jira/browse/FLINK-31346?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Weijie Guo updated FLINK-31346:
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Summary: Batch shuffle IO scheduler does not throw TimeoutException if numRequestedBuffers is greater than 0 (was: Batch Shuffle IO scheduler does not throw TimeoutException if numRequestedBuffers is greater than 0)
> 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
>
>
> 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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