[CASSANDRA-15763] Tunable RangeTombstoneList initial size and resize factor

• Type: Improvement
• Status: Resolved
• Priority: Normal
• Resolution: Fixed
• Fix Version/s: 4.0-beta1, 4.0
• Component/s: Local/Config
• Change Category: Operability
• Complexity: Low Hanging Fruit
• Platform: All

Source Control Link

https://github.com/apache/cassandra/commit/da95e4b3fb36294b5117846b8fbb8cdc01e427d5

Test and Documentation Plan

unit test

• Assignee: Yifan Cai
• Reporter: Yifan Cai

Authors

Yifan Cai

Reviewers

Dinesh Joshi

• Created: 27/Apr/20 18:49
• Updated: 15/May/20 08:54
• Resolved: 06/May/20 23:03

Description

Cassandra allocates a backing array with a fixed size of one when creating a new RangeTombstoneList object. The resize factor is fixed to 1.5.
The initial size and resize factor could be made tunable so it could reduce cost in some cases.