{"id":"wal-hot-path-avoids-getsize","text":"`_maybe_rotate` uses `self._fd.tell()` instead of `os.path.getsize()`, avoiding filesystem stat calls and TOCTOU races on every append","truth_value":"IN","source":"entries/2026/05/29/topic-wal-size-check-toctou.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"wal-hot-path-avoids-getsize","truth_value":"IN","reason":"premise"}]}}