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From "Zhong Wang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CRUNCH-450) Adding ORC file format support in Crunch
Date Thu, 31 Jul 2014 23:55:38 GMT

     [ https://issues.apache.org/jira/browse/CRUNCH-450?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Zhong Wang updated CRUNCH-450:
------------------------------

    Attachment: CRUNCH-450-submodule.2.patch

Fixed a performance issue of java reflection by adding a cache for getDeclaredFields(). Patch
attached.

Josh: which fix version shall I use for this JIRA?

> Adding ORC file format support in Crunch
> ----------------------------------------
>
>                 Key: CRUNCH-450
>                 URL: https://issues.apache.org/jira/browse/CRUNCH-450
>             Project: Crunch
>          Issue Type: New Feature
>          Components: Core, IO
>            Reporter: Zhong Wang
>            Assignee: Josh Wills
>         Attachments: CRUNCH-450-submodule.1.patch, CRUNCH-450-submodule.2.patch, CRUNCH-450-submodule.patch,
CRUNCH-450.patch
>
>
> This JIRA adds ORC file format support in Crunch by:
> --
> 1. Adding input source and output target for ORC
> 2. Adding a new type family - OrcTypeFamily to serialize / deserialize objects into OrcStruct
> 3. Supporting column pruning optimization



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