How To Fix RT823 - Performance attribute CPU: average utilization (idle)

SAP Error Message - Details

• Message type: E = Error

• Message class: RT - Monitoring infrastructure MSG and alert texts

• Message number: 823

• Message text: Performance attribute CPU: average utilization (idle)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RT823 - Performance attribute CPU: average utilization (idle) ?

  The SAP error message RT823, which indicates "Performance attribute CPU: average utilization (idle)," typically relates to performance monitoring and indicates that the CPU utilization is low, meaning the CPU is mostly idle. This can be a concern in certain contexts, especially if you expect high CPU usage due to heavy processing tasks.
  Cause:
  
  Low Workload: The most straightforward cause is that the system is not under heavy load, leading to low CPU utilization.
  Inefficient Processes: Some processes may not be optimized, leading to underutilization of CPU resources.
  Configuration Issues: Incorrect configuration of the SAP system or the underlying hardware can lead to inefficient CPU usage.
  Resource Bottlenecks: Other resources (like I/O or memory) may be bottlenecking performance, causing the CPU to remain idle.
  Background Jobs: If there are not enough background jobs running or they are not scheduled properly, CPU utilization can remain low.
  
  Solution:
  
  Analyze Workload: Check the workload on the system. If the workload is genuinely low, then no action may be necessary. If you expect higher utilization, investigate further.
  Optimize Processes: Review and optimize the processes running on the system. This may involve tuning SQL queries, optimizing ABAP code, or adjusting job scheduling.
  Check Configuration: Ensure that the SAP system and the underlying hardware are configured correctly. This includes checking settings in the SAP kernel, database, and operating system.
  Monitor Other Resources: Use performance monitoring tools to check for bottlenecks in other areas, such as memory or disk I/O. Address any issues found.
  Schedule Background Jobs: If applicable, schedule more background jobs or adjust the timing of existing jobs to better utilize CPU resources.
  Upgrade Hardware: If the system consistently shows low CPU utilization and you expect higher loads, consider upgrading the hardware or scaling out to additional servers.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to performance monitoring and CPU utilization for specific guidance and best practices.
  Performance Monitoring Tools: Utilize tools like SAP Solution Manager, ST03N (Workload Analysis), and ST06 (Operating System Monitor) to analyze performance metrics.
  System Logs: Review system logs for any warnings or errors that might indicate underlying issues affecting performance.
  SAP Community: Engage with the SAP Community for insights and shared experiences from other users who may have faced similar issues.
  
  By following these steps, you can diagnose and address the underlying causes of the RT823 error message and improve CPU utilization in your SAP environment.