Merge and Compaction for HBase

Merge hbase regions:
hbase> merge_region 'ENCODED_REGIONNAME', 'ENCODED_REGIONNAME' 
eg: hbase> merge_region 'fe67927487e12f311857e04dc9f28184','4243697eb282cc798e585b68de50e87b'
merge also makes the data locality as 1
Compactions
Compact all regions in a table called t1	
hbase> major_compact 't1' 

Compact an entire region called r1	
hbase> major_compact 'r1'          

Compact a single column family within a region called r1, where the column family is named c1	
hbase> major_compact 'r1', 'c1'

Compact a single column family, c1, within a table, t1	
hbase> major_compact 't1', 'c1'
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