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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:
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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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