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From "Samuel Yuan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-4221) Stripe-level merge for ORC files
Date Wed, 01 May 2013 03:28:17 GMT

     [ https://issues.apache.org/jira/browse/HIVE-4221?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Samuel Yuan updated HIVE-4221:
------------------------------

    Status: Patch Available  (was: Open)
    
> Stripe-level merge for ORC files
> --------------------------------
>
>                 Key: HIVE-4221
>                 URL: https://issues.apache.org/jira/browse/HIVE-4221
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Processor
>            Reporter: Samuel Yuan
>            Assignee: Samuel Yuan
>         Attachments: HIVE-4221.HIVE-4221.HIVE-4221.HIVE-4221.D9759.1.patch, HIVE-4221.HIVE-4221.HIVE-4221.HIVE-4221.D9759.2.patch
>
>
> As with RC files, we would like to be able to merge ORC files efficiently by reading/writing
stripes without decompressing/recompressing them. This will be similar to the RC file merge,
except that footers will have to be updated with the stripe positions in the new file.

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