Performance prediction of upgrades to SAP systems is more and more important. Recently, one of our clients did a tech upgrade to their global SAP implementation and were surprised to find that in the week following the upgrade, they needed to add 6 IBM mainframe engines to get reasonable performance from SAP.
Last week, I was at Sapphire and heard SAP estimate that the move to unicode will require between 30 and 50% more CPU on application servers and database servers. I have heard many organizations say that hardware is cheap and all we need to do is to throw more hardware at the problem rather than taking the time to understand what performance will be in production. I anticipate as more and more IT shops work to manage their SLAs with the business they will find that predicting performance prior to doing production transports will become mandatory.
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