Introducing HBase
HBase is a column-oriented database that prides itself on consistency and scaling out. It is based on BigTable, a high-performance, proprietary database developed by Google and described in the 2006 white paper “Bigtable: A Distributed Storage System for Structured Data.”[26] Initially created for natural-language processing, HBase started life as a contrib package for Apache Hadoop. Since then, it has become a top-level Apache project.
On the architecture front, HBase is designed to be fault tolerant. Hardware failures may be uncommon for individual machines, but in a large cluster, node failure is the norm. By using write-ahead logging and distributed configuration, HBase can quickly recover from individual server failures. ...
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