dzung nguyen the <dzungthenguyen@yahoo.com> 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