[Node-DuckDB API](./node-duckdb.md) > [DuckDB](./node-duckdb.duckdb.md) > [checkPointWALSize](./node-duckdb.duckdb.checkpointwalsize.md) ## DuckDB.checkPointWALSize property Returns the checkpoint write ahead log size used by the database. Signature: ```typescript get checkPointWALSize(): number; ```