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Comment: bullet list for HCatalog and WebHCat in introduction

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Components of Hive include HCatalog and WebHCat.

  • HCatalog is a component of Hive. It is a table and storage management layer for Hadoop that enables users with different data processing tools — including Pig and MapReduce — to more easily read and write data on the grid.
  • WebHCat provides a service that you can use to run Hadoop MapReduce (or YARN), Pig, Hive jobs or perform Hive metadata operations using an HTTP (REST style) interface.

Hive Versions

Recent versions of Hive are available on the Downloads page of the Hive website. The Downloads page provides each version's release date and list of changes.  If you want a list of changes for an earlier version (or a development branch), use the Configure Release Notes page.

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