dzung nguyen the <dzungthenguyen@xxxxxxxxx> writes: > Our database files are becoming bigger and bigger. > We checked OID with filenodes and found some filenodes > that don't have a corresponding OID. OID? Or relfilenode? Please read http://www.postgresql.org/docs/8.1/static/storage.html pretty darn carefully before you go around deleting files that you don't know the purpose of. regards, tom lane