[HBASE-20254] Incorrect help message for merge_region

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.0.0
• Fix Version/s: 2.0.0
• Component/s: shell
• Assignee: Peter Somogyi
• Reporter: Peter Somogyi
• Created: 22/Mar/18 15:06
• Updated: 06/Apr/18 04:38
• Resolved: 26/Mar/18 17:54

Description

In 2.0 merge_region command accepts full region name not just the encoded region name but the help says only encoded can be used. The move command only accepts encoded region name.

 

hbase(main):003:0> help 'merge_region'

Merge two regions. Passing 'true' as the optional third parameter will force

a merge ('force' merges regardless else merge will fail unless passed

adjacent regions. 'force' is for expert use only).

 

NOTE: You must pass the encoded region name, not the full region name so

this command is a little different from other region operations.  The encoded

region name is the hash suffix on region names: e.g. if the region name were

TestTable,0094429456,1289497600452.527db22f95c8a9e0116f0cc13c680396. then

the encoded region name portion is 527db22f95c8a9e0116f0cc13c680396

 

Examples:

 

 hbase> merge_region 'ENCODED_REGIONNAME', 'ENCODED_REGIONNAME'

 hbase> merge_region 'ENCODED_REGIONNAME', 'ENCODED_REGIONNAME', true