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Sunday, February 6, 2011

SAP Load Generator (SGEN)

The Job Monitor of the SAP Load Generator (SGEN) gives you information about generation jobs that may have run or are current. Use Start job to start the generation. Refresh the screen display to determine how the generation is progressing.

The parallel processing of the load generator is controlled by the RSPARAGENER8 program.

RSPARAGENER8 runs in batch mode. During the generation, a permanent logon to the system - except for controlling the progress of the generation - is not necessarily required.

Choose the Job overview pushbutton to switch to the job overview, which contains a list of background jobs for parallel generation that have run.

Starting the Current Generation

Choose the Start Job pushbutton to start the current generation.

The control program RSPARAGENER8 is then automatically scheduled in the background. The Load Generator Status screen appears. After a successful start, the background job should show the status 'active'.

The Load Generator Status screen displays information about the current generation job. The upper part contains data regarding name, status, start time and start date of the background job for the load generation.

The progress display gives a percental and absolute overview of the current load generator status. '... % generated' shows the ratio of the number of objects processed to the total number of objects, in percentages.

The lower part of the screen gives you a prediction as to how long the generation process still has to run.

The first prediction only appears after a small section of the objects have been generated.

You can update the prediction at any time in the same way as for the display of the load generator status, namely by choosing Refresh Display (F5) or by choosing Enter.

Job Overview Pushbutton

You choose this function to go directly to the job overview. The list is ordered chronologically, starting with the most recent job. Double-click the name of the generation job or select the name and choose Job Log to see supplementary information about the current job or jobs that have already run, for example, information about the hosts that are used.

If, after the load generator has run once, you require detailed information about the parallel processing of the generation set, for example the runtime statistics, then you can find these in the spool output for the jobs. To go to the spool display, select the job and choose Spool. On the next screen, select the appropriate spool request and choose Display Contents (F6).

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