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From "Lefty Leverenz (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-7313) Allow in-memory/ssd session-level temp-tables
Date Sat, 17 Jan 2015 08:42:34 GMT

    [ https://issues.apache.org/jira/browse/HIVE-7313?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14281259#comment-14281259
] 

Lefty Leverenz commented on HIVE-7313:
--------------------------------------

[~gopalv], first you need to get write access to the wiki by sending your Confluence username
to the user@hive mailing list (or just tell me here).  Then you can edit in-place or create
new wikidocs.  You can even edit the "How to edit" instructions, if you like.

See "About This Wiki" for instructions:

* [About This Wiki -- How to get permission to edit | https://cwiki.apache.org/confluence/display/Hive/AboutThisWiki#AboutThisWiki-Howtogetpermissiontoedit]
* [About This Wiki -- How to edit | https://cwiki.apache.org/confluence/display/Hive/AboutThisWiki#AboutThisWiki-Howtoedit]

> 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, TODOC15
>             Fix For: 0.15.0
>
>         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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