How To Fix VIRT347 - Avg. Pagein Rate

SAP Error Message - Details

• Message type: E = Error

• Message class: VIRT - Virtualization Monitoring

• Message number: 347

• Message text: Avg. Pagein Rate

Avg. Pagein Rate
The average rate of total system pages per second read into central
storage (within the last collection interval). The rate excludes
swap-in, vio and hiperspace page-ins.

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

Error message extract from SAP system. Copyright SAP SE.

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• What is the cause and solution for SAP error message VIRT347 - Avg. Pagein Rate ?

  The SAP error message VIRT347, which refers to the "Avg. Pagein Rate," typically indicates that the system is experiencing performance issues related to memory management. This message is often associated with virtual memory and paging, suggesting that the system is frequently accessing the disk to retrieve data that should ideally be held in memory.
  Cause:
  
  Insufficient Memory: The most common cause of this error is that the SAP system does not have enough physical memory (RAM) allocated to handle the workload, leading to excessive paging.
  High Workload: A sudden increase in workload or user activity can lead to higher memory consumption, causing the system to page more frequently.
  Configuration Issues: Incorrect configuration of the SAP system or the underlying operating system can lead to inefficient memory usage.
  Memory Leaks: Applications or processes that do not release memory properly can lead to increased memory consumption over time.
  
  Solution:
  
  Increase Physical Memory: If the server has the capacity, consider adding more RAM to accommodate the workload.
  Optimize SAP Configuration: Review and optimize the SAP memory parameters (e.g., abap/heap_area_total, abap/heap_area_dia, etc.) to ensure that memory is allocated efficiently.
  Monitor Workload: Use transaction codes like ST03N or ST06 to monitor system performance and identify peak usage times or specific transactions that are consuming excessive resources.
  Adjust Paging Settings: If applicable, adjust the operating system's paging settings to optimize performance.
  Review Background Jobs: Check for any background jobs that may be consuming excessive resources and optimize or schedule them during off-peak hours.
  Check for Memory Leaks: Use tools to identify and resolve any memory leaks in custom code or third-party applications.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to VIRT347 for specific recommendations or patches that may address known issues.
  Performance Monitoring Tools: Utilize SAP's performance monitoring tools (like ST03N, ST06, and SM50) to analyze system performance and identify bottlenecks.
  Operating System Monitoring: Use OS-level monitoring tools to check memory usage, swap activity, and overall system health.
  SAP Basis Team: Collaborate with your SAP Basis team to ensure that the system is properly configured and that any necessary adjustments are made.
  
  By addressing the underlying causes of the VIRT347 error, you can improve the performance of your SAP system and reduce the frequency of paging, leading to a more efficient operation.