Hbase - 常用命令

status 命令

hbase(main):002:0> status
8 servers, 0 dead, 45.2500 average load

hbase(main):003:0> version
0.96.0-hadoop2-gphd-3.0.1.0, r40412e, Mon Apr 14 12:09:37 CST 2014

hbase(main):001:0> create 'Student','info','score'
0 row(s) in 2.0840 seconds

hbase(main):002:0> list
TABLE
Test
1 row(s) in 0.0940 seconds

hbase(main):003:0> put 'Student','2014_SW02_25','info:name','tom'
0 row(s) in 0.1060 seconds

    查看表中的所有数据

hbase(main):012:0> scan 'Student'
ROW
COLUMN+CELL
2014_SW02_18
column=info:name, timestamp=1417013170521, value=jack
2014_SW02_25
column=info:age, timestamp=1417012953351, value=23
2014_SW02_25
column=info:name, timestamp=1417012947503, value=tom
2014_SW02_25
column=score:math, timestamp=1417012957492, value=95
2 row(s) in 0.0220 seconds

hbase(main):007:0> get 'Student','2014_SW02_25'
COLUMN
CELL
info:age
timestamp=1417012953351, value=23
info:name
timestamp=1417012947503, value=tom
score:math
timestamp=1417012957492, value=95
3 row(s) in 0.0210 seconds

hbase(main):008:0> get 'Student','2014_SW02_25','info'
COLUMN
CELL
info:age
timestamp=1417012953351, value=23
info:name
timestamp=1417012947503, value=tom
2 row(s) in 0.0180 seconds

hbase(main):009:0> get 'Student','2014_SW02_25','info:name'
COLUMN
CELL
info:name
timestamp=1417012947503, value=tom
1 row(s) in 0.0200 seconds

hbase(main):041:0> scan 'Student',{LIMIT => 2, STARTROW => '2014_AC01'} 

scan 'Student',{LIMIT => 2, TIMERANGE => [1417006187875, 1417007274669]}

hbase(main):013:0> count 'Student'
2 row(s) in 0.0120 seconds

hbase(main):014:0> exists 'Student'
Table Student does exist
0 row(s) in 0.0380 seconds

hbase(main):015:0> delete 'Student','2014_SW02_25','info:age'
0 row(s) in 0.0780 seconds

hbase(main):029:0> truncate 'Student'
Truncating 'Student' table (it may take a while):
- Disabling table...
- Dropping table...
- Creating table...
0 row(s) in 1.9420 seconds

hbase(main):032:0> disable 'Student'
0 row(s) in 1.3510 seconds
hbase(main):035:0> drop 'Student'
0 row(s) in 0.2380 seconds

最后

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