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https://issues.apache.org/jira/browse/HIVE-6391?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13977928#comment-13977928
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Lefty Leverenz commented on HIVE-6391:
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The new configuration parameters *hive.prewarm.enabled* and
*hive.prewarm.numcontainers* are documented in the wiki:
https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-Tez.
> Use pre-warm APIs in Tez to improve hive query startup
> ------------------------------------------------------
>
> Key: HIVE-6391
> URL: https://issues.apache.org/jira/browse/HIVE-6391
> Project: Hive
> Issue Type: New Feature
> Components: Query Processor
> Affects Versions: tez-branch
> Reporter: Gopal V
> Assignee: Gopal V
> Priority: Minor
> Labels: optimization
> Fix For: tez-branch
>
> Attachments: HIVE-6391.1-tez.patch, HIVE-6391.2-tez.patch,
> HIVE-6391.3-tez.patch
>
>
> With the addition of TEZ-766, Tez supports pre-warmed containers within the
> Tez session.
> Allow hive users to enable and use this feature from within the hive shell.
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