Hive作为大数据平台举足轻重的框架，以其稳定性和简单易用性也成为当前构建企业级数据仓库时使用最多的框架之一。 但是如果我们只局限于会使用Hive，而不考虑性能问题，就难搭建出一个完美的数仓，所以Hive性能调优是我们大数据从业者必须掌握的技能。

Hortonworks yesterday announced a new version of Apache Hive, the open source data warehouse software running on top of Hadoop, with new SQL query features and performance improvements.

Hadoop is big, but there’s no doubt that the game changer will be marrying SQL— the primary language used by business analysts for ad hoc analysis—with Hadoop. If you don’t want the information in ...

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