{"id":"wal-no-directory-fsync","text":"The WAL implementation never fsyncs the parent directory after segment creation or deletion, meaning file metadata changes (including unlinks) are not guaranteed durable on crash on Linux","truth_value":"IN","source":"entries/2026/05/28/topic-wal-segment-deletion-ordering.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"wal-no-directory-fsync","truth_value":"IN","reason":"premise"}]}}