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https://issues.apache.org/jira/browse/PIG-823?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12718376#action_12718376
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Matei Zaharia commented on PIG-823:
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(To clarify, I meant data where the interface to access it is not HDFS; of
course HBase is backed by files on HDFS).
> Hadoop Metadata Service
> -----------------------
>
> Key: PIG-823
> URL: https://issues.apache.org/jira/browse/PIG-823
> Project: Pig
> Issue Type: New Feature
> Reporter: Olga Natkovich
>
> This JIRA is created to track development of a metadata system for Hadoop.
> The goal of the system is to allow users and applications to register data
> stored on HDFS, search for the data available on HDFS, and associate metadata
> such as schema, statistics, etc. with a particular data unit or a data set
> stored on HDFS. The initial goal is to provide a fairly generic, low level
> abstraction that any user or application on HDFS can use to store an retrieve
> metadata. Over time a higher level abstractions closely tied to particular
> applications or tools can be developed.
> Over time, it would make sense for the metadata service to become a
> subproject within Hadoop. For now, the proposal is to make it a contrib to
> Pig since Pig SQL is likely to be the first user of the system.
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