[CASSANDRA-14566] Cache CSM.onlyPurgeRepairedTombstones()

• Type: Improvement
• Status: Open
• Priority: Low
• Resolution: Unresolved
• Component/s: Local/Compaction
• Labels: lhf performance
• Complexity: Low Hanging Fruit
• Assignee: Thomas Pouget-Abadie
• Reporter: Stefan Podkowinski

Authors

Thomas Pouget-Abadie

Reviewers

Benjamin Lerer, Stefan Podkowinski

• Created: 13/Jul/18 11:46
• Updated: 30/Jul/21 12:44

Description

We currently call CompactionStrategyManager.onlyPurgeRepairedTombstones() a lot during compaction, I think at least for every key. So we should probably cache the value, instead of constantly reading from a volatile and calling parseBoolean.