{"id":"wal-checkpoint-forces-fsync","text":"`checkpoint()` calls `_do_sync(force=True)`, making the checkpoint marker durable on disk regardless of the configured sync mode, so recovery boundaries are never lost even in `\"none\"` or `\"batch\"` mode.","truth_value":"IN","source":"entries/2026/05/29/topic-fsync-durability-tradeoffs.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"wal-checkpoint-forces-fsync","truth_value":"IN","reason":"premise"}]}}