Amr Awadallah commented on PIG-833:
I am out of office until Aug 14th. I will be checking my email
intermittently. If this is urgent then please call my cell phone,
otherwise I will reply to your email when I get back.
Thanks for your patience,
> Storage access layer
> Key: PIG-833
> URL: https://issues.apache.org/jira/browse/PIG-833
> Project: Pig
> Issue Type: New Feature
> Reporter: Jay Tang
> Attachments: hadoop20.jar.bz2, PIG-833-zebra.patch,
> PIG-833-zebra.patch.bz2, PIG-833-zebra.patch.bz2,
> TEST-org.apache.hadoop.zebra.pig.TestCheckin1.txt, test.out, zebra-javadoc.tgz
> A layer is needed to provide a high level data access abstraction and a
> tabular view of data in Hadoop, and could free Pig users from implementing
> their own data storage/retrieval code. This layer should also include a
> columnar storage format in order to provide fast data projection,
> CPU/space-efficient data serialization, and a schema language to manage
> physical storage metadata. Eventually it could also support predicate
> pushdown for further performance improvement. Initially, this layer could be
> a contrib project in Pig and become a hadoop subproject later on.
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