[CASSANDRA-8498] Replaying commit log records that are older than gc_grace is dangerous

• Type: Improvement
• Status: Open
• Priority: Normal
• Resolution: Unresolved
• Component/s: Legacy/Core
• Assignee: Unassigned
• Reporter: Benedict Elliott Smith
• Created: 17/Dec/14 11:45
• Updated: 16/Apr/19 09:31

Description

If we replay commit log records that are older than gc_grace we could introduce data corruption to the cluster. We should either (1) fail and suggest a repair, or (2) log an exception. I prefer (1).

Issue Links

• is duplicated by: CASSANDRA-8497 Do not replay commit log records for tables that have been repaired since
• is related to: CASSANDRA-7275 Errors in FlushRunnable may leave threads hung