How To Fix D3755 - Number of private frames paged in

SAP Error Message - Details

• Message type: E = Error

• Message class: D3 - CCMS - DB2 on OS390

• Message number: 755

• Message text: Number of private frames paged in

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 D3755 - Number of private frames paged in ?

  The SAP error message D3755, which states "Number of private frames paged in," typically relates to memory management issues within the SAP system, particularly in the context of the SAP kernel and the operating system's handling of memory.
  Cause:
  
  Memory Pressure: This error often indicates that the SAP system is experiencing memory pressure, which can occur when the available memory is insufficient for the workload being processed. This can lead to the paging of private frames, which are memory pages allocated to the SAP application.
  Configuration Issues: Incorrect configuration of the SAP instance parameters, such as the memory allocation settings, can also lead to this error.
  High Workload: A sudden increase in workload or inefficient processing can lead to excessive memory usage, causing the system to page memory frames.
  Operating System Limits: The underlying operating system may have limits on memory usage that can affect the SAP system's performance.
  
  Solution:
  
  Increase Memory Allocation: Review and increase the memory allocation for the SAP instance. This can be done by adjusting the instance profile parameters, such as abap/heap_area_total and abap/heap_area_dia.
  Optimize Workload: Analyze the workload and optimize the processes that are consuming excessive memory. This may involve tuning specific transactions or background jobs.
  Monitor Memory Usage: Use SAP transaction codes like ST02 (Tune Summary) and ST03 (Workload Analysis) to monitor memory usage and identify bottlenecks.
  Check Operating System Settings: Ensure that the operating system is configured to allow sufficient memory for the SAP system. This may involve adjusting kernel parameters or system limits.
  Review SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on memory management best practices.
  Upgrade SAP Kernel: If the issue persists, consider upgrading to a newer version of the SAP kernel, as performance improvements and bug fixes may resolve memory management issues.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on memory management and configuration settings.
  SAP Community: Engage with the SAP Community forums to find discussions and solutions related to similar issues faced by other users.
  Performance Monitoring Tools: Utilize SAP's performance monitoring tools to gain insights into memory usage patterns and identify areas for improvement.
  
  If the problem continues after implementing these solutions, it may be beneficial to consult with SAP support for further assistance.