Use Apache HBase™ when you need random随机, realtime实时 read/write access存取 to your Big Data. This project's goal is the hosting of very large tables -- billions数十亿 of rows X millions百万 of columns -- atop clusters of commodity hardware商用机器. Apache HBase is an open-source, distributed, versioned多版本(数据能够有多个版本的值), non-relational database modeled after Google's Bigtable: A Distributed Storage System for Structured Data by Chang et al. Just as Bigtable leverages the distributed data storage provided by the Google File System, Apache HBase provides Bigtable-like capabilities on top of Hadoop and HDFS.数据库
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