初试Hbase
初试Hbase
1. 进入 shell
hbase shell
2. 查看所有库
list
3. 查看表结构
describe 'userInfo' DESCRIPTION ENABLED {NAME => 'userInfo', FAMILIES => [{NAME => 'm', DATA_BLOCK_ENCODING => 'NONE', BLOOMFILTER => 'NONE', true REPLICATION_SCOPE => '0', VERSIONS => '3', COMPRESSION => 'NONE', MIN_VERSIONS => '0', TTL => '21474 83647', KEEP_DELETED_CELLS => 'false', BLOCKSIZE => '65536', IN_MEMORY => 'false', ENCODE_ON_DISK => 'true', BLOCKCACHE => 'true'}]}
4. 查询
scan 'userInfo' , {LIMIT => 20} ## 必须大写 get 'userInfo' ,'10001949' hbase(main):005:0> get 'userInfo' ,'17335912' COLUMN CELL m:fansNum timestamp=1368898063007, value=21 m:followGroupNum timestamp=1368992878152, value=11 m:followNum timestamp=1368813940821, value=28 m:goodsNum timestamp=1369239409259, value=77 m:groupNum timestamp=1368989899011, value=9 m:heartNum timestamp=1369239220703, value=248 m:ilikeNum timestamp=1369239409259, value=110 m:imageNum timestamp=1369239409259, value=16 m:relayNum timestamp=1369239409259, value=405 m:replyNum timestamp=1369239409259, value=11