[CASSANDRA-15226] TokenMetadata should use CoW data structures

• Type: Improvement
• Status: Open
• Priority: Normal
• Resolution: Unresolved
• Component/s: Local/Other
• Change Category: Code Clarity
• Complexity: Normal
• Platform: All
• Assignee: Benedict Elliott Smith
• Reporter: Benedict Elliott Smith

Authors

Benedict Elliott Smith

• Created: 16/Jul/19 10:02
• Updated: 16/Jul/19 10:03

Description

Our BTree already trivially supports Map and MultiMap semantics, we just need corresponding wrappers like we have for BTreeSet. This would permit proper and efficient copy-on-write semantics, and avoid issues like those seen in CASSANDRA-14660.