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https://issues.apache.org/jira/browse/IMPALA-5712?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Smith resolved IMPALA-5712.
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Resolution: Duplicate
> Provide option to cancel queries when in CREATED state
> -------------------------------------------------------
>
> Key: IMPALA-5712
> URL: https://issues.apache.org/jira/browse/IMPALA-5712
> Project: IMPALA
> Issue Type: Improvement
> Components: Frontend
> Affects Versions: Impala 2.7.0
> Reporter: Mala Chikka Kempanna
> Priority: Major
>
> At present, there is no-way to cancel queries in CREATED state.
> For various reasons, because of connectivity issues with HMS or catalog,
> queries may sometimes stay in CREATED state longer . And if admission control
> is implemented, these queries end up occupying admission control queue.
> (These queries cannot recover from whatever issue they had connecting to HMS
> even after service becomes normal and stay stuck in CREATED state). And only
> way to cleanup these queries is the restart the co-ordinator.
> But these queries in created state are non-cancellable right now.
> They should be available for cancel and be released from Admission control
> queue.
> OR
> The queries in CREATED state should not occupy admission control queue.
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