{"id":"wal-durability-tiers-lost-during-recovery","text":"The WAL's carefully calibrated write-time durability tiers (per-write fsync in sync mode vs. batch-only fsync) are completely invisible to recovery: sequence numbers and checkpoints that could distinguish between definitely-durable and potentially-lost records are never consulted, so replay treats all CRC-valid records identically regardless of whether they were fsynced — the write-time investment in durability is wasted.","truth_value":"IN","source":"","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"wal-durability-tiers-lost-during-recovery","truth_value":"IN","reason":"premise"}]}}