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https://issues.apache.org/jira/browse/HIVE-16503?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15982242#comment-15982242
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Gunther Hagleitner commented on HIVE-16503:
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LGTM +1. Some smaller questions:
- Is SESSIONS_PER_DEFAULT_QUEUE guaranteed to be >= 1?
- Does it make sense to add range validators for the new settings (0, 1.0)?
> LLAP: Oversubscribe memory for noconditional task size
> ------------------------------------------------------
>
> Key: HIVE-16503
> URL: https://issues.apache.org/jira/browse/HIVE-16503
> Project: Hive
> Issue Type: Improvement
> Components: llap
> Affects Versions: 3.0.0
> Reporter: Prasanth Jayachandran
> Assignee: Prasanth Jayachandran
> Attachments: HIVE-16503.1.patch, HIVE-16503.2.patch
>
>
> When running map joins in llap, it can potentially use more memory for hash
> table loading (assuming other executors in the daemons have some memory to
> spare). This map join conversion decision has to be made during compilation
> that can provide some more room for LLAP.
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