[CASSANDRA-7864] Repair should do less work when RF=1

• Type: Improvement
• Status: Resolved
• Priority: Low
• Resolution: Fixed
• Fix Version/s: 2.0.11, 2.1.1
• Component/s: Legacy/Streaming and Messaging
• Labels: repair
• Assignee: Yuki Morishita
• Reporter: Tom Hobbs

Authors

Yuki Morishita

Reviewers

Marcus Eriksson

• Created: 02/Sep/14 23:33
• Updated: 16/Apr/19 09:31
• Resolved: 05/Sep/14 15:30

Description

When the total RF for a keyspace is <= 1, repair still calculates neighbors for each range and does some unneccessary work. We could short-circuit this earlier.