How To Fix VIRT321 - Avg. phys. IIP Usage

SAP Error Message - Details

• Message type: E = Error

• Message class: VIRT - Virtualization Monitoring

• Message number: 321

• Message text: Avg. phys. IIP Usage

Avg. phys. IIP Usage
Average percentage of the total utilization of the physical
processors(IIP) 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 VIRT321 - Avg. phys. IIP Usage ?

  The SAP error message VIRT321, which refers to "Avg. phys. IIP Usage," typically relates to issues with the system's virtual memory or the usage of the Integrated Information Processing (IIP) resources. This message can indicate that the average physical IIP usage is exceeding acceptable thresholds, which may lead to performance degradation or system instability.
  Cause:
  
  High Resource Utilization: The system may be experiencing high demand for IIP resources, which can occur due to heavy processing loads, inefficient queries, or inadequate system resources.
  Configuration Issues: Incorrect configuration settings for memory allocation or IIP parameters can lead to suboptimal performance.
  System Bottlenecks: Other processes or applications running on the same server may be consuming excessive resources, leading to contention for IIP resources.
  Data Volume: Large volumes of data being processed can lead to increased IIP usage.
  
  Solution:
  
  Monitor Resource Usage: Use transaction codes like ST03N (Workload Analysis) or ST06 (Operating System Monitor) to analyze resource usage and identify bottlenecks.
  Optimize Queries: Review and optimize any long-running or resource-intensive queries that may be consuming excessive IIP resources.
  Adjust Configuration: Check and adjust the configuration settings for IIP and memory allocation in the SAP system. This may involve increasing the memory limits or adjusting the parameters related to IIP.
  System Upgrade: If the hardware is outdated or insufficient for the current workload, consider upgrading the server or increasing the available resources (CPU, RAM).
  Load Balancing: If applicable, distribute the workload across multiple application servers to reduce the load on a single server.
  Regular Maintenance: Perform regular system maintenance, including database optimization and cleanup, to ensure efficient resource usage.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to VIRT321 for specific guidance or patches that may address known issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have implemented.
  Documentation: Review SAP documentation for best practices on managing IIP resources and optimizing system performance.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with SAP support for further assistance.