How To Fix VIRT349 - Min. Pagein Rate

SAP Error Message - Details

• Message type: E = Error

• Message class: VIRT - Virtualization Monitoring

• Message number: 349

• Message text: Min. Pagein Rate

Min. Pagein Rate
The minimum 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message VIRT349 - Min. Pagein Rate ?

  The SAP error message VIRT349, which indicates a "Min. Pagein Rate," is related to the virtual memory management of the SAP system. This error typically arises when the system is experiencing issues with memory allocation, particularly in relation to the paging of data between the physical memory (RAM) and the disk.
  Cause:
  
  Insufficient Physical Memory: The system may not have enough physical memory to handle the workload, leading to excessive paging.
  High Workload: A sudden increase in workload or inefficient memory usage by applications can lead to high paging rates.
  Configuration Issues: Incorrect configuration of the SAP system or the underlying operating system can lead to suboptimal memory management.
  Memory Leaks: Applications or processes that do not release memory properly can lead to increased memory usage over time.
  
  Solution:
  
  Increase Physical Memory: If the server is consistently running low on memory, consider adding more RAM to the system.
  Optimize Workload: Analyze the workload and optimize the applications to reduce memory consumption. This may involve tuning SQL queries, optimizing ABAP code, or adjusting batch job schedules.
  Review Configuration: Check the SAP and operating system configurations for memory settings. Ensure that the parameters related to memory allocation (like abap/heap_area_dia, abap/heap_area_nondia, etc.) are set appropriately.
  Monitor Memory Usage: Use tools like SAP's transaction ST02 (Buffer Management) and ST03 (Workload Analysis) to monitor memory usage and identify bottlenecks.
  Check for Memory Leaks: Investigate if any custom programs or third-party applications are causing memory leaks. This may require debugging or profiling the applications.
  Adjust Paging Settings: If applicable, adjust the paging settings on the operating system to optimize performance.
  
  Related Information:
  
  SAP Notes: Check for relevant SAP Notes that may provide additional insights or patches related to memory management and performance tuning.
  System Monitoring: Regularly monitor system performance using SAP Solution Manager or other monitoring tools to proactively identify and address memory-related issues.
  Documentation: Refer to SAP documentation for best practices on memory management and performance tuning specific to your SAP version and landscape.
  
  If the issue persists after trying the above solutions, it may be beneficial to engage SAP support for further assistance.