{{{ #!html
Hbase 使用方法
HBase 0.20 + Hadoop 0.20
}}} [[PageOutline]] = 列出所有 table = {{{ hbase(main):> list }}} = 新增 table = A . 直接增加一個表 t2 {{{ hbase(main):> create 't2' }}} B . 增加一個擁有 'f1','f2','fn' 為 column family 的表: t1 {{{ hbase(main):> create 't1','f1','f2','fn' }}} = 查詢 Table 欄位 = {{{ hbase(main):> describe 't1' }}} 執行結果參考 {{{ #!text hbase(main):> describe 't1' DESCRIPTION ENABLED {NAME => 't1', FAMILIES => [{NAME => 'f1', COMPRESSION => 'NONE', VERS true IONS => '3', TTL => '2147483647', BLOCKSIZE => '65536', IN_MEMORY => ' false', BLOCKCACHE => 'true'}, {NAME => 'f2', COMPRESSION => 'NONE', V ERSIONS => '3', TTL => '2147483647', BLOCKSIZE => '65536', IN_MEMORY = > 'false', BLOCKCACHE => 'true'}, {NAME => 'fn', COMPRESSION => 'NONE' , VERSIONS => '3', TTL => '2147483647', BLOCKSIZE => '65536', IN_MEMOR Y => 'false', BLOCKCACHE => 'true'}]} 1 row(s) in 0.0170 seconds }}} = 加入cell-value = 需先擁有表 t1 與column-family : f1 並且加入一個 column-quantifier c1 {{{ hbase(main):> put 't1', 'r1', 'f1', 'v1' hbase(main):> put 't1', 'r1', 'f1:c1', 'v2' }}} {{{ #!html
Table: 't1'
row-keycolumn-family : 'f1'
column-quantifier: *'c1'
r1v1
r1v2
}}} = 列出cell-value = A . 列出一列(row) {{{ hbase(main):> get 't1', 'r1' }}} 執行結果參考 {{{ #!text COLUMN CELL f1:c1 timestamp=1285041409509, value=value }}} B . 列出一個 cell 的值 {{{ hbase(main):005:0> get 't1', 'r1', {COLUMN => 'f1:c1'} }}}     執行結果參考 {{{ #!text COLUMN CELL f1:c1 timestamp=1285732474078, value=value 1 row(s) in 0.0030 seconds }}} = 刪除 cell-value = {{{ hbase(main):> deleteall 't1','r1' }}} = 加入column family = {{{ hbase(main):> disable 't1' hbase(main):> alter 't1', {NAME => 'f1'} hbase(main):> enable 't1' }}}     = 刪除column family = {{{ hbase(main):> disable 't1' hbase(main):> alter 't1', {NAME => 'f1', METHOD => 'delete'} hbase(main):> enable 't1' }}}     = 節點狀態 = {{{ hbase(main):> status }}}     = 刪除整張table = {{{ hbase(main):> truncate 't1' hbase(main):> disable 't1' hbase(main):> drop 't1' }}}