How To Fix VIRT240 - 4KB Page Ins

SAP Error Message - Details

• Message type: E = Error

• Message class: VIRT - Virtualization Monitoring

• Message number: 240

• Message text: 4KB Page Ins

What causes this issue?

The amount of 4KB page page-ins.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message VIRT240 - 4KB Page Ins ?

  The SAP error message VIRT240, which indicates "4KB Page Ins," typically relates to memory management issues within the SAP system, particularly in the context of virtual memory and paging. This error can occur when the system is trying to access a page of memory that is not currently in physical memory, leading to a page fault.
  Cause:
  
  Insufficient Memory: The most common cause of this error is that the SAP system does not have enough physical memory (RAM) available to handle the workload, leading to excessive paging.
  Configuration Issues: Incorrect configuration of the SAP system or the underlying operating system can lead to inefficient memory usage.
  High Workload: A sudden increase in workload or a poorly optimized application can lead to increased memory demands.
  Memory Leaks: Applications or processes that do not release memory properly can lead to exhaustion of available memory.
  
  Solution:
  
  Increase Physical Memory: If the server is running low on RAM, consider adding more physical memory to the system.
  Optimize SAP Configuration: Review and optimize the SAP memory parameters (like abap/heap_area_total, abap/heap_area_dia, etc.) in the instance profile to ensure efficient memory usage.
  Monitor Workload: Use transaction codes like ST03N or ST06 to monitor system performance and workload. Identify any processes that are consuming excessive memory and optimize them.
  Check for Memory Leaks: Use tools like the SAP Memory Inspector or transaction ST02 to analyze memory usage and identify potential memory leaks in the application.
  Adjust Paging Settings: If applicable, adjust the operating system's paging settings to better manage virtual memory.
  Review Background Jobs: Check for any background jobs that may be consuming excessive resources and optimize or schedule them during off-peak hours.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to memory management and performance tuning for specific recommendations and patches.
  System Monitoring Tools: Utilize SAP's monitoring tools (like Solution Manager) to keep track of system performance and identify bottlenecks.
  Operating System Settings: Review the operating system's memory management settings, as they can impact how SAP utilizes memory.
  
  If the problem persists after trying these solutions, it may be beneficial to consult with SAP support or a professional with expertise in SAP system administration.