[HBASE-21636] Enhance the shell scan command to support missing scanner specifications like ReadType, IsolationLevel etc.

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0-alpha-1, 2.0.0, 2.1.2
• Fix Version/s: 3.0.0-alpha-1, 2.2.0, 2.0.5, 2.3.0, 2.1.4
• Component/s: shell
• Hadoop Flags: Reviewed

Release Note

Allows shell to set Scan options previously not exposed. See additions as part of the scan help by typing following hbase shell:

hbase> help 'scan'

• Assignee: Nihal Jain
• Reporter: Nihal Jain
• Created: 23/Dec/18 13:38
• Updated: 09/Sep/24 10:53
• Resolved: 11/Feb/19 16:42

Description

Enhance the shell scan command to support scanner specifications:

• ReadType
• IsolationLevel
• Region replica id
• Allow partial results
• Batch
• Max result size

Also, make use of limit and set it in the scan object to limit the number of rows returned by the scanner.

 

 

Issue Links

• relates to: HBASE-28827 HBase should support scan limit 0
• links to: Review Board (branch-2.0)