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HCatalog is a table and storage management layer for Hadoop that enables users with different data processing tools — Pig, MapReduce — to more easily read and write data on the grid.

This is the HCatalog manual. It includes all of the chapters from the HCatalog 0.5.0 documentation converted to wiki format and updated where appropriate. 

• Using HCatalog
• Installation from Tarball
• HCatalog Configuration Properties
• Load and Store Interfaces
• Input and Output Interfaces
• Reader and Writer Interfaces
• Command Line Interface
• Storage Formats
• Dynamic Partitioning
• Notification
• Storage Based Authorization

The old HCatalog wiki page has many other documents including additional user documentation, further information on HBase integration, and resources for contributors.

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