[CASSANDRA-17970] Avoid anticompaction mixing data from two different time windows with TWCS

• Type: Bug
• Status: Resolved
• Priority: Normal
• Resolution: Fixed
• Fix Version/s: 3.0.29, 3.11.15, 4.0.8, 4.1.1, 5.0-alpha1, 5.0
• Component/s: Local/Compaction/TWCS
• Bug Category: Degradation - Performance Bug/Regression
• Severity: Low
• Complexity: Low Hanging Fruit
• Discovered By: Code Inspection
• Platform: All
• Since Version: 3.0 alpha 1

Source Control Link

https://github.com/apache/cassandra/commit/730b898b7415e568138c6fc1e961f69b41ba1fa0

Test and Documentation Plan

new test + cci run

• Assignee: Marcus Eriksson
• Reporter: Marcus Eriksson

Authors

Marcus Eriksson

Reviewers

Aleksey Yeschenko

• Created: 18/Oct/22 06:31
• Updated: 12/Sep/23 13:02
• Resolved: 23/Dec/22 13:55

Description

When grouping sstables for anticompaction we can currently get sstables from different time windows when running TWCS