[HBASE-25754] StripeCompactionPolicy should support compacting cold regions

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.0.0-alpha-1, 2.0.0, 1.4.13
• Fix Version/s: 3.0.0-alpha-1, 2.5.0, 2.4.3, 2.3.6
• Component/s: Compaction
• Hadoop Flags: Reviewed
• Assignee: Xiaolin Ha
• Reporter: Xiaolin Ha
• Created: 09/Apr/21 13:18
• Updated: 28/Mar/24 08:52
• Resolved: 23/Apr/21 07:55

Description

Cold regions cannot perform compactions by flushing memstores, while CompactionChecker can period check need compaction regions.

But some cold regions using stripe store engine may not be checked to perform compaction by`needCompaction()` or trigger automatic major compactions, because StripeCompactionPolicy#shouldPerformMajorCompaction() always returns false. 

StripeCompactionPolicy never performs automatic major compactions now.

But cold regions' outdated data need to be cleaned.

 

 
 

Issue Links

• links to: GitHub Pull Request #3152

Sub-Tasks

• Compact L0 files for cold regions using StripeCompactionPolicy: Resolved