{"id":"wal-batch-relies-on-practical-atomicity","text":"`append_batch()` buffers all operations plus COMMIT into a single `write()` call to minimize the partial-write window, but the code acknowledges this is not a true atomicity guarantee — a crash during the write can persist a prefix without the COMMIT marker","truth_value":"IN","source":"entries/2026/05/28/topic-wal-atomicity-guarantees.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"wal-batch-relies-on-practical-atomicity","truth_value":"IN","reason":"premise"}]}}