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From "Lars Francke (JIRA)" <>
Subject [jira] [Commented] (HIVE-18513) Query results caching
Date Wed, 01 Aug 2018 10:19:00 GMT


Lars Francke commented on HIVE-18513:

Thanks Jason. If that's all that needs changing I can try to provide a patch as well.


Can we also get some documentation around this feature? I cannot find any words on memory
management for example. Where are results stored/kept?

> Query results caching
> ---------------------
>                 Key: HIVE-18513
>                 URL:
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Planning
>            Reporter: Jason Dere
>            Assignee: Jason Dere
>            Priority: Major
>             Fix For: 3.0.0
>         Attachments: HIVE-18513.1.patch, HIVE-18513.2.patch, HIVE-18513.3.patch, HIVE-18513.4.patch,
HIVE-18513.5.patch, HIVE-18513.6.patch
> Add a query results cache that can save the results of an executed Hive query for reuse
on subsequent queries. This may be useful in cases where the same query is issued many
times, since Hive can return back the results of a cached query rather than having to execute
the full query on the cluster.

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