{"id":"wal-durability-effective-on-standards-compliant-fsync","text":"The WAL's two-tier durability model provides effective crash protection: critical operations (checkpoints, batch commits, rotations) unconditionally force fsync while per-write sync respects the configured mode, creating a meaningful durability hierarchy where batch boundaries are always durable regardless of the performance/durability tradeoff chosen for individual writes.","truth_value":"OUT","source":"","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{"_retracted":true},"explanation":{"steps":[{"node":"wal-durability-effective-on-standards-compliant-fsync","truth_value":"OUT","reason":"retracted premise"}]}}