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Thursday, August 23, 2007

Workload analysis ( ST03 ) is used to determine system performance

You should check statistics and record trends to get a “feel” for the system’s behavior and
performance. Understanding the system when it is running well helps you determine what
changes may need to be made when it is running poorly.

1. In the Command field, enter transaction ST03 and choose Enter (or from the SAP standard menu, choose Tools -Administration --Monitor - Performance - Workload -ST03-Analysis).

2. Choose Data base server or This application server. (In this example, we chose This
application server, pal101003_SAS_00.)

3. Select a time period to analyze. (In this example, we chose Last minute load.)

4. Enter how many minutes back to analyze, or choose Other selection to specify a date and time period to analyze. In this example, we chose Other selection.

5. Under Time interval to be analyzed is, enter the Date and time range to be analyzed.

6. Choose

7. Check the Current value under Task types (for example, Total).
The task types are:
<>Note : Judgment must be applied when reviewing statistical values. If you just started the R/3
System, the buffers will be empty and many of the statistics will be unfavorable. Once the
buffers are loaded, values can be properly evaluated. In this example, the Av. response time of almost 4 seconds must be evaluated with other
factors in mind.
Note : The R/3 user default for a decimal point is a comma. If your default profile for decimal point, (point or comma) is not appropriately set, the display may be misread. For example, rather than 3,888 ms, it would read 3.888 ms. Quite a difference!

11. Click on any cell in the Response time avg column.

12. Choose .

Analysis of transaction ST03 is covered in BC315 (the Workload Analysis and Tuning class).
We recommend you take this class.

13. The programs and transactions are now sorted in average response time order.

A few standard functional transactions will exceed the one-second guideline. They include,
but are not limited to the following:

Type Transaction

Create Sales Order VA01

Change Sales Order VA02
Display Sales Order VA03
Create Billing Document VF01
Create Delivery VL01
Maintain Master HR data PA30

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