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https://issues.apache.org/jira/browse/DRILL-5060?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul Rogers updated DRILL-5060:
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Assignee: (was: Paul Rogers)
> External Sort does not recognize query cancellation during long events
> ----------------------------------------------------------------------
>
> Key: DRILL-5060
> URL: https://issues.apache.org/jira/browse/DRILL-5060
> Project: Apache Drill
> Issue Type: Bug
> Affects Versions: 1.8.0
> Reporter: Paul Rogers
> Priority: Minor
>
> The external sort operator performs in-memory or on-disk sorting. Several
> functions within external sort can take an extended time. During this time,
> the operator does not check if a query cancellation has occurred. These long
> events are:
> * Spilling a group of batches to disk
> * In-memory sort
> Note that "re-spilling" of spill files is covered by the first item above:
> re-spill uses the same code to write the new file as is used for the original
> "first generation" spill files.
> Also, the final merge is handled because the downstream operator will check
> for cancellation prior to fetching each batch from the sort operator.
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