Yes, I have. I'm looking for something more definitive, less theory and more application. Thanks, Ken From: Leyi Zhang (Kamus) [mailto:kamusis@xxxxxxxxx] Sent: Monday, August 23, 2010 2:34 AM To: kennethnaim@xxxxxxxxx Cc: oracle-l@xxxxxxxxxxxxx Subject: Re: Lob Performance Have you read online doc: OracleR Database SecureFiles and Large Objects Developer's Guide http://download.oracle.com/docs/cd/E11882_01/appdev.112/e10645/adlob_perform ance.htm#i1007089 -- Kamus <kamusis@xxxxxxxxx> Visit my blog for more : http://www.dbform.com Join ACOUG: http://www.acoug.org On Mon, Aug 23, 2010 at 6:01 AM, Kenneth Naim <kennethnaim@xxxxxxxxx> wrote: I haven't dealt with lob performance much. Can someone point to a good site or whitepaper how to measure lob size, test and improve (b)lob performance. I'm checking google and mos and haven't found a comprehensive article. Thanks, Ken -- //www.freelists.org/webpage/oracle-l