Hcatalog 简明教程
Discuss Hcatalog
HCatalog 是 Hadoop 的表存储管理工具,它将 Hive Metastore 的表格数据公开给其他 Hadoop 应用程序。它使用不同的数据处理工具(Pig、MapReduce)的用户可以轻松地将数据写在表单中。HCatalog 确保用户不必担心数据存储的位置或格式。这是一个简短的教程,解释了 HCatalog 的一些基本知识以及如何使用它。
HCatalog is a table storage management tool for Hadoop that exposes the tabular data of Hive metastore to other Hadoop applications. It enables users with different data processing tools (Pig, MapReduce) to easily write data onto a grid. HCatalog ensures that users don’t have to worry about where or in what format their data is stored. This is a small tutorial that explains just the basics of HCatalog and how to use it.