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From "Ning Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-2370) Improve RCFileCat performance significantly
Date Sat, 13 Aug 2011 05:16:28 GMT

     [ https://issues.apache.org/jira/browse/HIVE-2370?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ning Zhang updated HIVE-2370:
-----------------------------

       Resolution: Fixed
    Fix Version/s: 0.8.0
     Hadoop Flags: [Reviewed]
           Status: Resolved  (was: Patch Available)

Committed. Thanks Tim!

> Improve RCFileCat performance significantly
> -------------------------------------------
>
>                 Key: HIVE-2370
>                 URL: https://issues.apache.org/jira/browse/HIVE-2370
>             Project: Hive
>          Issue Type: Improvement
>          Components: CLI
>    Affects Versions: 0.8.0
>            Reporter: Tim Armstrong
>            Assignee: Tim Armstrong
>            Priority: Minor
>             Fix For: 0.8.0
>
>         Attachments: rcfilecat_2011-08-11.patch, rcfilecat_2011-08-11b.patch
>
>
> The rcfilecat utility is extraordinarily slow: the throughput can be < 0.5 MB/s of
compressed RCFile.  We can implement much faster version to enable faster export of data from
Hive.

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