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From "Lefty Leverenz (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-15664) LLAP text cache: improve first query perf I
Date Wed, 25 Jan 2017 08:07:26 GMT

     [ https://issues.apache.org/jira/browse/HIVE-15664?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lefty Leverenz updated HIVE-15664:
----------------------------------
    Labels: TODOC2.2  (was: )

> LLAP text cache: improve first query perf I
> -------------------------------------------
>
>                 Key: HIVE-15664
>                 URL: https://issues.apache.org/jira/browse/HIVE-15664
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>              Labels: TODOC2.2
>             Fix For: 2.2.0
>
>         Attachments: HIVE-15664.04.patch, HIVE-15664.patch
>
>
> 1) Don't use ORC dictionary.
> 2) Use VectorDeserialize.
> 3) Don't parse the columns that are not included (cannot avoid reading them).
> -4) Send VRB to the pipeline and write ORC in parallel (in background)-. HIVE-15672
> Also add an option to disable the encoding pipeline server-side.



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