{"id":"compaction-crash-can-resurrect-deleted-keys","text":"A crash during LSM compaction after tombstones are stripped from the merged output but before old SSTables are deleted can resurrect previously-deleted keys, because the tombstone that suppressed them no longer exists in any surviving SSTable.","truth_value":"IN","source":"entries/2026/05/29/topic-crash-recovery-testing.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"compaction-crash-can-resurrect-deleted-keys","truth_value":"IN","reason":"premise"}]}}