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https://issues.apache.org/jira/browse/HIVE-7313?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14276157#comment-14276157
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Gunther Hagleitner commented on HIVE-7313:
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Looks good to me. +1. (pending tests).
I think eventually it'd be good to expose this flag on the create tmp table
sql. So you can through sql choose the storage medium. Maybe a follow up?
> Allow in-memory/ssd session-level temp-tables
> ---------------------------------------------
>
> Key: HIVE-7313
> URL: https://issues.apache.org/jira/browse/HIVE-7313
> Project: Hive
> Issue Type: Improvement
> Components: Tez
> Affects Versions: 0.14.0
> Reporter: Gopal V
> Assignee: Gopal V
> Labels: InMemory, Performance
> Attachments: HIVE-7313.1.patch, HIVE-7313.2.patch
>
>
> With HDFS storage policies implementation, temporary tables can be written
> with different storage/reliability policies.
> In-session temporary tables can be targetted at both SSD and memory storage
> policies, with fallbacks onto the disk and the associated reliability
> trade-offs.
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