Parameter rdisp/max_wprun_time

In SAP, a work process's maximum duration (in seconds) for a single dialog step is specified by the rdisp/max_wprun_time parameter. A dialog work process is immediately ended if it goes above this time limit to avoid system overload or performance deterioration.

Here’s a breakdown of rdisp/max_wprun_time parameter :

• Default Value: 600 seconds (10 minutes).
• Purpose: Protects system performance by preventing a backlog of unfinished tasks from arising from long-running processes monopolizing work processes.
• Consideration: For some tasks that take longer, you might need to change this value, but be careful not to set it too high as this could cause problems with system performance.

You can use t-code RZ11 or RZ10 to check or modify this parameter.

What is the setting for parameter rdisp/max_wprun_time as per as SAP Recommendation?

According to SAP guidelines, the rdisp/max_wprun_time parameter's default value is 600 seconds (10 minutes). To maintain a healthy balance between workload management and performance, this figure is thought to be suitable for the majority of regular dialog procedures in the SAP system.

SAP Recommendations for Adjusting rdisp/max_wprun_time:

1. Default Value: 600 seconds (10 minutes).
2. Recommended Range: SAP advises maintaining the figure between 600 and 1800 seconds (10 to 30 minutes), contingent on the workload and particular needs of your system.
3. Increase Cautiously:
   • You can significantly increase this option if you have particular programs or transactions that take longer to execute (such as background jobs).
   • Avoid setting it too high because this can result in system performance bottlenecks and slower response times, particularly for dialog work processes that should ideally end quickly.
4. Performance Monitoring: Once the value has been increased, monitor the system to ensure it doesn't lead to excessive system resource utilization or a backlog of pending processes.

Note: It is preferable to run the process as a background job instead of in a dialog work process if it takes a lot longer than the default to finish.