[HBASE-9654] Optimize HStore#getRowKeyAtOrBefore() when exact match is found

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 0.98.0
• Hadoop Flags: Reviewed
• Assignee: Ted Yu
• Reporter: Ted Yu
• Created: 24/Sep/13 23:50
• Updated: 20/Nov/15 11:54
• Resolved: 02/Oct/13 17:18

Description

Currently HStore#getRowKeyAtOrBefore() iterates through StoreFile's and look for the best match for the passed row.

When exact match is found, state.getCandidate() can be returned without going through all the StoreFile's