[CASSANDRA-17561] Diagnostic snapshot service should only snapshot mismatching ranges on preview repair mismatch

• Type: Improvement
• Status: Resolved
• Priority: Normal
• Resolution: Fixed
• Fix Version/s: 5.0-alpha1, 5.0
• Component/s: Consistency/Repair
• Change Category: Quality Assurance
• Complexity: Low Hanging Fruit
• Platform: All

Source Control Link

https://github.com/apache/cassandra/commit/c747f70c058aa94d6bcfe1f9132c410db6d2b65a

Test and Documentation Plan

new test, cci run

• Assignee: Marcus Eriksson
• Reporter: Marcus Eriksson

Authors

Marcus Eriksson

Reviewers

Sam Tunnicliffe, Stefan Miklosovic

• Created: 19/Apr/22 10:51
• Updated: 12/Sep/23 13:02
• Resolved: 28/Feb/23 22:55

Description

We currently snapshot all sstables in a table when a preview repair mismatch occurs, we should only snapshot the sstables containing the mismatching ranges