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https://issues.apache.org/jira/browse/DRILL-6295?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16441720#comment-16441720
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ASF GitHub Bot commented on DRILL-6295:
---------------------------------------
Github user parthchandra commented on the issue:
https://github.com/apache/drill/pull/1208
+1
> PartitionerDecorator may close partitioners while CustomRunnable are active
> during query cancellation
> -----------------------------------------------------------------------------------------------------
>
> Key: DRILL-6295
> URL: https://issues.apache.org/jira/browse/DRILL-6295
> Project: Apache Drill
> Issue Type: Bug
> Reporter: Vlad Rozov
> Assignee: Vlad Rozov
> Priority: Critical
> Fix For: 1.14.0
>
>
> During query cancellation, in case
> {{PartitionerDecorator.executeMethodLogic()}} is active (waiting on the
> {{latch}}), the wait will be interrupted and {{Futures}} cancelled, but there
> is no guarantee that all {{CustomRunnable}} terminate before returning from
> {{PartitionerDecorator.executeMethodLogic()}}. On exit, both income and
> outgoing batches are cleared, leading to clearing of underlying {{Vectors}}
> and {{DrillBufs}}. This eventually causes unallocated memory access and JVM
> crash as {{CustomRunnable}} may execute after income/outgoing batches are
> cleared.
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