How To Fix D3752 - Average system paging rate

SAP Error Message - Details

• Message type: E = Error

• Message class: D3 - CCMS - DB2 on OS390

• Message number: 752

• Message text: Average system paging rate

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message D3752 - Average system paging rate ?

  The SAP error message D3752, which refers to the "Average system paging rate," typically indicates that the system is experiencing high paging activity. This can lead to performance issues, as excessive paging can slow down the system's response time and overall efficiency.
  Cause:
  The primary causes of the D3752 error message can include:
  
  Insufficient Memory: The system may not have enough physical memory (RAM) to handle the workload, leading to excessive paging to disk.
  High Workload: An increase in the number of users or processes can lead to higher memory consumption, resulting in paging.
  Memory Leaks: Certain applications or processes may not release memory properly, causing the system to run out of available memory.
  Configuration Issues: Incorrect configuration of the SAP system or the underlying operating system can lead to inefficient memory usage.
  
  Solution:
  To address the D3752 error message, consider the following solutions:
  
  Increase Physical Memory: If possible, add more RAM to the server to accommodate the workload and reduce paging.
  Optimize Workload: Analyze the workload and identify any processes that can be optimized or scheduled during off-peak hours to reduce memory consumption.
  Monitor Memory Usage: Use monitoring tools to track memory usage and identify any applications or processes that are consuming excessive memory.
  Check for Memory Leaks: Investigate the applications running on the system for potential memory leaks and apply patches or updates as necessary.
  Adjust SAP Parameters: Review and adjust SAP memory parameters (such as abap/heap_area_dia, abap/heap_area_nondia, etc.) to optimize memory allocation.
  Review Operating System Settings: Ensure that the operating system is configured correctly for optimal memory management, including swap space settings.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to memory management and performance tuning for specific recommendations and best practices.
  Performance Monitoring Tools: Utilize SAP's performance monitoring tools (like ST03N, ST06, and ST04) to analyze system performance and identify bottlenecks.
  System Logs: Review system logs for any additional error messages or warnings that may provide further insight into the cause of the high paging rate.
  Consult Documentation: Refer to SAP documentation for guidelines on memory management and performance optimization.
  
  By addressing the underlying causes and implementing the suggested solutions, you can mitigate the impact of the D3752 error message and improve the overall performance of your SAP system.