1.定时执行脚本
#!/bin/bash

source /etc/profile

sh ./hbase shell <<EOF

major_compact 'table_name'

EOF

语法：

#Compact all regions in a table:

hbase> major_compact 't1'

#Compact an entire region:

hbase> major_compact 'r1'

#Compact a single column family within a region:

hbase> major_compact 'r1', 'c1'

#Compact a single column family within a table:

hbase> major_compact 't1', 'c1'