{"id":"iterate-flushes-without-fsync","text":"Before reading, `iterate()` calls `fd.flush()` but not `os.fsync()`, so buffered writes reach the OS page cache but are not guaranteed durable on stable storage.","truth_value":"IN","source":"entries/2026/05/28/write-ahead-log-wal-iterate.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"iterate-flushes-without-fsync","truth_value":"IN","reason":"premise"}]}}