[HBASE-3209] New Compaction Heuristic

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.90.0
• Hadoop Flags: Reviewed
• Assignee: Nicolas Spiegelberg
• Reporter: Nicolas Spiegelberg
• Created: 09/Nov/10 22:41
• Updated: 20/Nov/15 12:41
• Resolved: 10/Nov/10 00:12

Description

We have a whole bunch of compaction awesome in our internal 0.89 branch. Porting this to 0.90:

1) don't unconditionally compact 4 files. have a min threshold
2) intelligently upgrade minors to majors
3) new compaction algo (derived in HBASE-2462 )

Issue Links

• relates to: HBASE-2462 Review compaction heuristic and move compaction code out so standalone and independently testable