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Date: Thu, 1 Apr 2010 01:08:27 +0000 (UTC)
From: "Alan Gates (JIRA)" <jira@apache.org>
To: pig-dev@hadoop.apache.org
Subject: [jira] Commented: (PIG-1331) Owl Hadoop Table Management Service
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    [ https://issues.apache.org/jira/browse/PIG-1331?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12852207#action_12852207 ] 

Alan Gates commented on PIG-1331:
---------------------------------

After applying the ivy_version patch and removing my cached version of ivy from ~/.ant/lib the patch compiles.

> Owl Hadoop Table Management Service
> -----------------------------------
>
>                 Key: PIG-1331
>                 URL: https://issues.apache.org/jira/browse/PIG-1331
>             Project: Pig
>          Issue Type: New Feature
>    Affects Versions: 0.8.0
>            Reporter: Jay Tang
>         Attachments: build.log, ivy_version.patch, owl.contrib.3.tgz
>
>
> This JIRA is a proposal to create a Hadoop table management service: Owl. Today, MapReduce and Pig applications interacts directly with HDFS directories and files and must deal with low level data management issues such as storage format, serialization/compression schemes, data layout, and efficient data accesses, etc, often with different solutions. Owl aims to provide a standard way to addresses this issue and abstracts away the complexities of reading/writing huge amount of data from/to HDFS.
> Owl has a data access API that is modeled after the traditional Hadoop !InputFormt and a management API to manipulate Owl objects.  This JIRA is related to Pig-823 (Hadoop Metadata Service) as Owl has an internal metadata store.  Owl integrates with different storage module like Zebra with a pluggable architecture.
>  Initially, the proposal is to submit Owl as a Pig contrib project.  Over time, it makes sense to move it to a Hadoop subproject.

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