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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
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Alan Gates commented on PIG-1331:
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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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