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https://issues.apache.org/jira/browse/HIVE-10113?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14384247#comment-14384247
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Siddharth Seth commented on HIVE-10113:
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Related: https://issues.apache.org/jira/browse/HIVE-10029
This is expected at the moment. Until we support pre-empting tasks / removal of
tasks from queues.
> LLAP: reducers running in LLAP starve out map retries
> -----------------------------------------------------
>
> Key: HIVE-10113
> URL: https://issues.apache.org/jira/browse/HIVE-10113
> Project: Hive
> Issue Type: Sub-task
> Reporter: Sergey Shelukhin
> Assignee: Gunther Hagleitner
>
> When query 17 is run, some mappers from Map 1 currently fail (due to unwrap
> issue, and also due to HIVE-10112).
> This query has 1000+ reducers; if they are ran in llap, they all queue up,
> and the query locks up.
> If only mappers run in LLAP, query completes.
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