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Crucial SAP Performance Monitoring Tips for Upgrade and Migration

Posted by Linh Nguyen on Feb 10, 2016 6:45:19 PM

ITC  SAP Performance Best Practices Baselines

I'm writing this week's blog from the trenches on the front line of an SAP Upgrade & Migration project at a very large customer site about to go live.  Back in June 2015, we published an SAP Performance Best Practices for Implementation, Upgrade & Migration article, and I wish this customer had read and implemented some of those best practices recommendations.  Particularly regarding what I'm about to point out in this publication so you too may avoid the potential pitfalls.  The scenario is an SAP ERP 4.7 to ECC 6.0 Ehp7 Near-zero Downtime (nZDM) upgrade, combined with a database upgrade and platform migration in the same go-live weekend.  The culprit is missing performance baselines and historical stats on the source system pre-golive to compare with the target system post-golive!

Upgrade

SAP is stopping standard support of ERP 4.7 this year and we find that many customers are upgrading or planning to upgrade to the most recent ECC release.   Based on the best practices, we recommend to save SAP workload statistics and/or have 3rd-party performance monitoring with saved history and baselines so that you can compare application performance before and after the upgrade and/or migration.  There are additional steps required to retain the stats in an upgrade from releases prior to Netweaver 7.00 because of significant changes in the workload dictionary within SAP, particularly the MONI table which stores workload data.  These 2 notes are useful and need to be planned ahead because they involve implementing corrections and manual steps in the upgrade pre and post steps:

Migration

If you are just doing a heterogeneous OS/DB migration, the standard SAP R3load tools and/or procedures will exclude the workload data.  Thus it's best to keep the performance history somewhere you can access after the migration, such as Solution Manager if you have configured the BW to retain the workload, or a 3rd-party tool that keeps that data off-host for reporting and analysis.  

If neither of the above are possible, at a minimum the SAP Earlywatch report and Upgrade/Migration going live checks should be scheduled with SAP.  These are remote services performed by SAP from India, and they need to be scheduled at least 4-weeks in advanced:

  • SAP Go-Live Analysis Sessions (before)
  • SAP Go-Live Verification Sessions (after)

More information can be found at here.

Conclusion

Don't be caught post go-live without historical performance and baselines to help guide you in troubleshooting performance issues and comparing improvements or identifying optimization opportunities.  Depending on the database and platform changes, there can be many more specific recommendations pertaining to performance best practices, however at least take care of the SAP side.


 

Want to monitor your systems before and after the upgrade and compare performance baselines down to the transaction level all from the cloud?  Subscribe to our cloud-based IT-Conductor.   With a few clicks and a few minutes, you can monitor and alert on your SAP systems.  Truly SAP Performance management without the hassles!

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Linh Nguyen

Written by Linh Nguyen

Linh was born in democratic Vietnam, escaped from the communist after the war as a boat-people refugee to Malaysia, subsequently immigrated to Australia where he attended high-school and completed dual-degrees in Computer Science & Computer Engineering in just 5 years. He started SAP career in Melbourne, then came to the US in the mid-1990s as a SAP technical consultant. He built a software and consulting company in Silicon Valley in 1996 named OZSoft and has been an entrepreneur with a passion to automate IT processes. In 2014, he started IT-Conductor, Inc. as CEO and co-founder along with David Stavisski, with the goal to help IT organizations to Stop Guessing and Start Managing by automating IT operations using a cloud-based platform IT-Conductor.

Topics: SAP monitoring, SAP Performance

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