{"id":"btree-single-threaded-assumption","text":"The B-tree implementation has no locking, latching, or concurrency control; all crash-safety gaps exist even without concurrent access","truth_value":"IN","source":"entries/2026/05/29/topic-postgres-nbtree-half-dead-state-machine.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"btree-single-threaded-assumption","truth_value":"IN","reason":"premise"}]}}