How To Fix VIRT324 - Avg. log. CP Usage

SAP Error Message - Details

• Message type: E = Error

• Message class: VIRT - Virtualization Monitoring

• Message number: 324

• Message text: Avg. log. CP Usage

Avg. log. CP Usage
MVS view of CPU utilization (Average percentage within the last
collection interval).
For example, if an MVS partition has 5% of the processor capacity and
the physical CPU utilization reported by RMF for the partition is 5%,
this indicates an MVS view of 100% CPU utilization.

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 VIRT324 - Avg. log. CP Usage ?

  The SAP error message VIRT324, which refers to "Avg. log. CP Usage," typically indicates that the average usage of the log for a particular process or transaction is exceeding a predefined threshold. This can lead to performance issues or even system instability if not addressed.
  Cause:
  
  High Transaction Volume: A large number of transactions being processed simultaneously can lead to increased log usage.
  Inefficient Queries: Poorly optimized queries or processes that generate excessive logging can contribute to high log usage.
  Configuration Issues: Incorrect configuration settings for logging parameters can lead to excessive log generation.
  System Resource Limitations: Insufficient system resources (CPU, memory, disk space) can exacerbate logging issues.
  
  Solution:
  
  Analyze Log Usage: Use transaction codes like ST03N (Workload Analysis) or ST04 (Database Performance Analysis) to analyze the log usage and identify the root cause.
  Optimize Queries: Review and optimize any queries or processes that are generating excessive logs. This may involve indexing, rewriting queries, or adjusting the logic of the application.
  Adjust Logging Parameters: Review and adjust the logging parameters in the system configuration. This may include increasing thresholds or changing logging levels.
  Monitor System Resources: Ensure that the system has adequate resources (CPU, memory, disk space) to handle the workload. Consider scaling up resources if necessary.
  Regular Maintenance: Implement regular maintenance tasks such as archiving old logs, cleaning up unnecessary data, and performing system health checks.
  Consult SAP Notes: Check for any relevant SAP Notes that may provide specific guidance or patches related to this error.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like ST22 (Dump Analysis), SM21 (System Log), and SM37 (Job Monitoring) to gather more information about system performance and issues.
  SAP Community: Engage with the SAP Community forums for insights and solutions shared by other users who may have encountered similar issues.
  Documentation: Refer to SAP documentation for best practices on logging and performance tuning.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with SAP support for further assistance.