How To Fix VIRT319 - Max. phys. CP Usage

SAP Error Message - Details

• Message type: E = Error

• Message class: VIRT - Virtualization Monitoring

• Message number: 319

• Message text: Max. phys. CP Usage

Max. phys. CP Usage
Maximum percentage of the total utilization of the physical
processors(CP) by the partition within the last collection interval.
This data is based on the total interval time of all physical processors
and includes LPAR management time.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message VIRT319 - Max. phys. CP Usage ?

  The SAP error message VIRT319, which indicates "Max. phys. CP Usage," typically relates to the maximum physical CPU usage being exceeded in an SAP system. This can occur in various scenarios, particularly in environments where resource allocation is critical, such as during peak processing times or when running resource-intensive transactions.
  Cause:
  
  High Workload: The system may be experiencing a high volume of transactions or background jobs that require more CPU resources than are available.
  Configuration Issues: The SAP system may not be optimally configured for the available hardware resources, leading to inefficient CPU usage.
  Resource Contention: Other applications or processes running on the same server may be consuming CPU resources, leading to contention.
  Inefficient Code: Custom ABAP programs or reports may not be optimized, causing excessive CPU usage.
  Insufficient Hardware: The physical hardware may not be sufficient to handle the workload, especially if the system has grown over time without corresponding hardware upgrades.
  
  Solution:
  
  Monitor System Performance: Use transaction codes like ST03N (Workload Analysis) and ST06 (Operating System Monitor) to analyze CPU usage and identify bottlenecks.
  Optimize ABAP Code: Review and optimize any custom ABAP programs or reports that may be consuming excessive CPU resources.
  Adjust Background Jobs: Schedule background jobs during off-peak hours to reduce CPU load during peak times.
  Increase Hardware Resources: If the workload has increased significantly, consider upgrading the server's CPU or adding additional servers to distribute the load.
  Tune SAP Parameters: Review and adjust SAP profile parameters related to CPU usage, such as rdisp/CPU_count, to better align with the available hardware.
  Load Balancing: If applicable, implement load balancing across multiple application servers to distribute the workload more evenly.
  Review System Configuration: Ensure that the SAP system is configured correctly for the hardware it is running on, including settings for the operating system and database.
  
  Related Information:
  
  SAP Notes: Check for relevant SAP Notes that may provide additional guidance or patches related to performance issues.
  SAP Community: Engage with the SAP Community forums for insights and shared experiences from other users who may have faced similar issues.
  Performance Tuning Guides: Refer to SAP's official performance tuning guides for best practices on optimizing SAP systems.
  
  By addressing the underlying causes and implementing the suggested solutions, you can mitigate the VIRT319 error and improve the overall performance of your SAP system.