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https://issues.apache.org/jira/browse/HIVE-7313?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14279985#comment-14279985
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Lefty Leverenz commented on HIVE-7313:
--------------------------------------
Doc note: This adds configuration parameter
*hive.exec.temporary.table.storage* to HiveConf.java, so it needs to be
documented in the wiki. Although there's no new SQL syntax (so far), the
parameter could also be mentioned in the Temporary Tables section of the DDL
doc.
* [Configuration Properties -- Query and DDL Execution |
https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-QueryandDDLExecution]
* [DDL -- Temporary Tables |
https://cwiki.apache.org/confluence/display/Hive/LanguageManual+DDL#LanguageManualDDL-TemporaryTables]
> 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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