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https://issues.apache.org/jira/browse/HIVE-14003?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15327669#comment-15327669
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Siddharth Seth commented on HIVE-14003:
---------------------------------------

This is a continuation of HIVE-13858. Not all problems related to abort 
processing were fixed there.

There's a window at the moment, while the RecordProcessor is being initialized 
where an abort can be ignored. initialize in progress, mapOp/reduceOp not setup 
yet, abort received - this sends an abort to the RecordProcessor - but it's 
essentially useless since it's not propagated to the operator (which hasn't 
been setup yet)

Uploading a patch shortly to resolve this.

> queries running against llap hang at times - likely due to preemption'
> ----------------------------------------------------------------------
>
>                 Key: HIVE-14003
>                 URL: https://issues.apache.org/jira/browse/HIVE-14003
>             Project: Hive
>          Issue Type: Bug
>          Components: llap
>    Affects Versions: 2.1.0
>            Reporter: Takahiko Saito
>            Assignee: Siddharth Seth
>
> The preemption logic in the Hive processor needs some more work. There are 
> definitely windows where the abort flag is completely dropped within the Hive 
> processor.



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