from 10 p.m. to 1:00 a.m. each night in order make sure our quarterly financial statements arrive on time.” “You will need 8 more Db2 MSUs for your z900 to handle this year’s Christmas sales rush. Since your current z900 configuration doesn’t have enough capacity to add 8 Db2 MSUs, you need to add another engine. It might be less expensive to upgrade to a z9 because of the double technology dividend.” See also Instructions per second z/OS z/VSE External links Sample MSU Figures for various hardware configurations (IBM Website) References Computer performance