Storage access layer
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Key: PIG-833
URL: https://issues.apache.org/jira/browse/PIG-833
Project: Pig
Issue Type: New Feature
Reporter: Jay Tang
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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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