[HBASE-27324] Auto merging small stripes in StripeCompactionPolicy

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 3.0.0-alpha-3, 2.4.13
• Fix Version/s: 3.0.0-beta-2
• Component/s: Compaction
• Assignee: Unassigned
• Reporter: Xiaolin Ha
• Created: 24/Aug/22 10:01
• Updated: 13/Jan/24 19:37

Description

Currently, stripes merge only happens when two stripes are empty, but that is not enough. With the data appending the stripes splits by splits, but with the data deleting, stripes might become smaller size while the stripes count is large. 

Auto merging small stripes can help to reduce the file count in the store and improve read effiecency.