The last two weeks have been crazy. Tons of work and projects, spending time with people I won’t see in the next year, finishing all the paperwork… And in the latest week I moved to Houston with my wife after being waiting for more than one year. So unfortunately I didn’t have enough time to […]
Category: Performance
SAP DB 101: DB2 Backup Performance
One of the problems that I usual find on SAP Systems running with DB2 is the performance of the full backup. Unfortunately this is one of the topics that is most difficult to find information about. Of course we can find information about the backup buffer size, parallelism, backup devices performance, etc. But sometimes the […]
SAP Performance 101: Improving ABAP Code
A few days ago I received the SAP Community Voice Newsletter in my email. I recommend you signing in SAP newsletters since they have really interesting articles about different topics. Anyway I found in the newsletter a really interesting article about improving ABAP code performance that I totally recommend to read: How To Improve Your […]
SAP Performance 101: The back-end sessions terminated
A few weeks ago one of my customers have an issue with an SAP ERP system running on SLES 12 + SAP HANA 1.22. The dammed error message “back-end session terminated” appeard which usually means having fun checking really inside of the SAP system. I think this case is quite interesting because the solution was […]
SAP Java Stacks: How to solve Java OutOfMemory situations
SAP Java Stacks are quite unknown for people that works in the SAP world. I have to say that I’m not a big fan of SAP Java Stacks/Systems. Some simple tasks that are quite easy to do on ABAP systems get quite difficult and frustrating when working with JAVA systems. Despite of this if you […]
SAP GUI: Performance issues with Windows 1709
Since a two months ago I’ve noticed that the performance on SAP GUI 7.50 is getting worse. When I restart my computer everything works correctly but after a couple of days working the SAP GUI becomes unusable. I tried a lot of different things to fix this: Reinstalled completely the SAP GUI, even in a […]
Detailed system information on Linux with sapsysinfo
You probably are familiar with this topic if you had a problem related to a SAP system running on Linux operating system. SAP released long time ago the SAP Note 618104 – “sapsysinfo” – Compiling system information on Linux. This SAP note contains a script for Linux named sapsysinfo that gather a lot of information of the […]
Tuning SAP Applications for SLES with SAPTUNE
If you have installed any SAP product before and if you did it right you probably read some documents and SAP Notes before starting. Many of those SAP Notes are related to OS and DB tuning. I can’t stress hard enough how important is to read the available documents before starting a system installation. Lot […]
SAP Performance 101: Can’t wait forever
I would like to share this case to show you how a bad planning during the instance configuration brings problems sooner or later. I really like this example because it perfectly shows how doing things in a proper way in the beginning will avoid a lot of headaches in the future. That being said, come […]
SAP Performance 101: Getting close to Mach 5
It is quite usual that customers ask for a performance study for their systems. Performance is a big pain in the ass because as I always said it depends on the point of view of everyone. Lets take FBL3N transaction for example. If we execute it without any filter it will probably take ages to […]