[CASSANDRA-6288] Make compaction a priority queue

• Type: Improvement
• Status: Open
• Priority: Low
• Resolution: Unresolved
• Component/s: Local/Compaction
• Labels: compaction
• Assignee: Unassigned
• Reporter: Jonathan Ellis

Reviewers

Jonathan Ellis

• Created: 02/Nov/13 00:54
• Updated: 28/May/20 21:48

Description

We should prioritize compacting CFs by how many reads/s its preferred candidate would save, divided by the number of bytes in the sstables.

(Note that STCS currently divides by number of keys; ISTM that bytes will work better since that does not penalize narrow rows.)

Issue Links

• is related to: CASSANDRA-11218 Prioritize Secondary Index rebuild