{"id":"index-is-volatile","text":"All three storage engines rebuild their in-memory index (`keydir`, `_index`) entirely from on-disk files at startup; inconsistent file state after a crash produces a silently incomplete index with no error","truth_value":"IN","source":"entries/2026/05/28/topic-bitcask-crash-recovery.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"index-is-volatile","truth_value":"IN","reason":"premise"}]}}