Vlad Rozov updated DRILL-6295:
    Reviewer: Timothy Farkas

> 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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