All posts by eric

SAP project hardware capacity planning

Objective of capacity planning In my post “Performance control in SAP projects/development”, it is pointed out that part of “total performance control” strategy is “capacity planning”. Through capacity planning, we make sure that SAP system has enough hardware to support activities/workload through the project. Simply put, capacity planning is to get business requirement in terms…

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SAP production performance issue trouble-shooting

If you as an application performance supporter is wondering where you should start to address a performance issue reported by a SAP user, then this post might help you to get started. SAP performance issue trouble-shooting normally involves following steps. I would like to point out that performance trouble-shooting can be an iterated process in…

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How to know whether a transaction/program has been ever executed

Overview You want to know a transaction/program history in a period � whether it has been used or who has run it. You would like to know what transactions have been executed under a specific SAP user. SAP transaction ST03N can give you the answer. Steps overview. run st03n. select needed period � a day,a…

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How to run SAP transaction STAD

SAP transaction STAD is used to display statistical data for all transactions/programs or specified transaction/program executed “recently”. STAD shows time component and resource usage of a transaction/program which is important for you to analyze performance of sap system and application program. User might just execute one transaction/program but STAD might display many entries for that…

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How to run ST12 to do a performance trace or review a existing trace

SAP ST12 can trace SQL, ABAP, Remote Function Call and Enqueue operation of a program/job. Trace would show time consumption on different code level from program subroutine/funtion module to individual ABAP code or SQL statement so you know where time is spent by the program, that helps you to find improvement opportunity or direction. This…

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Application performance support in SAP production

Content Introduction 1. Performance incident management 2. Performance problem management 3. Change management 4. Proactive application/system performance monitoring and enhancement Introduction Even total application performance control approach is adopted in every SAP project of a production box and no performance issue is reported or experienced after project goes alive, we would surely see performance concerns…

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How to run SAP transaction /SDF/MON to collect performance snap-shots

SAP performance monitoring transaction /SDF/MON is a powerful transaction – it allows you to collect different types of system performance snapshots based on your need. You can collect CPU, memory, process, user, SQL, application enqueues, Inbound and Outbound snap-shots etc. You can specify frequency and time-window which a type of snapshot should be collected. Based…

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Performance control Strategy in SAP projects/development

Content  Introduction 1. Capacity planning 2. Application performance control 3. Deployment/configuration 4.Post production support Introduction In SAP performance introduction, It is mentioned that performance of sap application is about time, resources and resident-ship. Since performance is a built-in quality, it is important that we have a good performance control strategy in place when a project/development…

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