{"id":"wal-batch-sync-force-override","text":"The WAL's `_do_sync` batch mode (fsync every N writes) is overridden by `force=True` in `append_batch` and `checkpoint`, ensuring atomic batch boundaries and checkpoint records are always fsynced regardless of configured sync mode.","truth_value":"IN","source":"entries/2026/05/29/topic-bitcask-durability-tradeoffs.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"wal-batch-sync-force-override","truth_value":"IN","reason":"premise"}]}}