{"id":"lsm-compact-removes-tombstones-safely","text":"The LSM Tree's `compact()` method removes tombstones because it performs a full merge of all SSTables, guaranteeing no surviving SSTable can contain a superseded live value","truth_value":"IN","source":"entries/2026/05/28/topic-tombstone-gc-safety.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"lsm-compact-removes-tombstones-safely","truth_value":"IN","reason":"premise"}]}}