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https://issues.apache.org/jira/browse/HIVE-23720?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17140382#comment-17140382
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Zhihua Deng commented on HIVE-23720:
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The running Task can be interrupted by releaseTaskQueue() in driver::close(),
so it's ok to shutdown by this instead of canceling the background.
> Background task may not be interrupted when operation being canceled or
> timeout
> -------------------------------------------------------------------------------
>
> Key: HIVE-23720
> URL: https://issues.apache.org/jira/browse/HIVE-23720
> Project: Hive
> Issue Type: Bug
> Components: HiveServer2
> Reporter: Zhihua Deng
> Priority: Major
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Now SQLOperation cancels the background task only when the condition is met:
> if (shouldRunAsync() && state != OperationState.CANCELED && state !=
> OperationState.TIMEDOUT)
> The condition is evaluated to false when state is OperationState.CANCELED or
> OperationState.TIMEDOUT, but operations in such states should stop the
> background tasks to release resources.
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