Hi Niall, I agree -- it never hurts to use a prime number for any assignment algorithm based on a modulo function. on the other hand, the difference between choosing primes vs. non-primes only becomes apparent if the input numbers (process IDs) show some pattern... cheers, Lex. -----Original Message----- From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx]On Behalf Of Niall Litchfield Sent: maandag 29 maart 2004 11:45 To: oracle-l@xxxxxxxxxxxxx Subject: RE: optimal storage parameters for heavy inserts tables I believe that the logic would be that chosing a prime number for number of freelists makes sense in that sessions should then be spread evenly across the available freelists. Niall Litchfield Oracle DBA Audit Commission +44 117 975 7805 ********************************************************************** This email contains information intended for the addressee only. It may be confidential and may be the subject of legal and/or professional privilege. Any dissemination, distribution, copyright or use of this communication without prior permission of the sender is strictly prohibited. ********************************************************************** ---------------------------------------------------------------- Please see the official ORACLE-L FAQ: http://www.orafaq.com ---------------------------------------------------------------- To unsubscribe send email to: oracle-l-request@xxxxxxxxxxxxx put 'unsubscribe' in the subject line. -- Archives are at //www.freelists.org/archives/oracle-l/ FAQ is at //www.freelists.org/help/fom-serve/cache/1.html ----------------------------------------------------------------- ---------------------------------------------------------------- Please see the official ORACLE-L FAQ: http://www.orafaq.com ---------------------------------------------------------------- To unsubscribe send email to: oracle-l-request@xxxxxxxxxxxxx put 'unsubscribe' in the subject line. -- Archives are at //www.freelists.org/archives/oracle-l/ FAQ is at //www.freelists.org/help/fom-serve/cache/1.html -----------------------------------------------------------------