常用hbase shell 命令

1. create Table 

   create 'mytable', {NAME => 'colfam1', VERSIONS => 1, TTL => 2592000, BLOCKCACHE => true}, {NAME => 'colfam2'}

    
2.  truncate mytable   == disable / drop table 
3.  Alter a table / add column family (Note: table must be disabled to make ColumnFamily modifications)

   alter 'mytable', {NAME => 'new_colfam'}, {NAME => 'colfam_to_delete', METHOD => 'delete'}

    
4. scan mytable 

   scan ‘mytable’, {LIMIT=>10, STARTROW=>”start_row”, STOPROW=>”stop_row”}

    

   scan 'zchx_ais',{STARTROW=>"44164100020130903164330", STOPROW=>"44164100020130904164330"}

    
5.  get mytable, row_key
6. put mytable, row_key, colfam:qual, value
7. delete 'mytable', 'row_key','colfam:qual'
8. major_compact mytable 
9. split 'mytable' 
10. status 'detailed' 
11. 查看某个表占空间大小

     hadoop fs -du /hbase/tablename