创建user表

> create 'dimensoft:user', 'info'

 

查看表结构

> describe 'dimensoft:user'

DESCRIPTION 'dimensoft:user', //namespace:tableName    {        NAME => 'info', //列族        DATA_BLOCK_ENCODING => 'NONE', //数据块编码方式设置        //参见：http://hbase.apache.org/book.html#data.block.encoding.enable        BLOOMFILT => 'ROW', //参见：http://hbase.apache.org/book.html#bloom.filters.when        REPLICATION_SCOPE => '0', //配置HBase集群replication时需要将该参数设置为1.        //参见：http://blog.cloudera.com/blog/2012/08/hbase-replication-operational-overview/?utm_source=tuicool        'REPLICATION_SCOPE is a column-family level attribute user has to alter each column family with the alter command as shown above, for all the column families he wants to replicate.'        VERSIONS => '1', //设置保存的版本数        COMPRESSION => 'NONE', //设置压缩算法        MIN_VERSIONS => '0', //最小存储版本数        TTL => 'FOREVER', //参见：http://hbase.apache.org/book.html#ttl        'ColumnFamilies can set a TTL length in seconds, and HBase reached. This applies to all versions of a row - even the current one. The TTL time encoded in the HBase for the row is specified in UTC.'        KEEP_DELETED_CELLS => 'false', //参见：http://hbase.apache.org/book.html#cf.keep.deleted        BLOCKSIZE => '65536', //设置HFile数据块大小（默认64kb）        IN_MEMORY => 'false',//设置激进缓存，优先考虑将该列族放入块缓存中，                             //针对随机读操作相对较多的列族可以设置该属性为true        BLOCKCACHE => 'true' //数据块缓存属性    }