How To Fix RZ422 - CPU load alert

SAP Error Message - Details

• Message type: E = Error

• Message class: RZ - Messages for Computing Center Management System

• Message number: 422

• Message text: CPU load alert

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RZ422 - CPU load alert ?

  The SAP error message RZ422 indicates a CPU load alert, which is triggered when the CPU usage on the SAP application server exceeds a predefined threshold. This alert is part of the SAP system monitoring and is designed to help administrators identify performance issues that could affect the overall system performance.
  Cause:
  
  High Workload: The server may be handling a high volume of transactions or background jobs, leading to increased CPU usage.
  Inefficient Code: Poorly optimized ABAP code or inefficient SQL queries can consume excessive CPU resources.
  Configuration Issues: Incorrect configuration settings for the application server or the database can lead to suboptimal performance.
  Hardware Limitations: The server hardware may not be sufficient to handle the current workload, especially if the system has grown over time.
  Background Jobs: A large number of background jobs running simultaneously can spike CPU usage.
  
  Solution:
  
  Analyze Workload: Use transaction codes like ST03N (Workload Analysis) and ST06 (Operating System Monitor) to analyze the workload and identify which processes are consuming the most CPU.
  Optimize Code: Review and optimize any inefficient ABAP code or SQL queries that may be causing high CPU usage.
  Adjust Configuration: Check and adjust the configuration settings for the application server and database to ensure they are optimized for performance.
  Monitor Background Jobs: Review the scheduled background jobs and their execution times. Consider staggering job schedules to reduce peak load.
  Scale Hardware: If the server consistently runs at high CPU usage, consider upgrading the hardware or scaling out by adding additional application servers.
  Set Alerts: Configure alerts in transaction RZ20 or RZ21 to monitor CPU usage and receive notifications before reaching critical levels.
  
  Related Information:
  
  Transaction Codes:
  
  ST03N: Workload Analysis
  ST06: Operating System Monitor
  SM50: Process Overview
  SM66: Global Work Process Overview
  
  
  SAP Notes: Check for relevant SAP Notes that may provide additional guidance or patches related to performance issues.
  Performance Tuning: Consider engaging in performance tuning sessions or workshops to better understand how to optimize your SAP environment.
  
  By addressing the underlying causes of the CPU load alert and implementing the suggested solutions, you can help ensure that your SAP system runs efficiently and effectively.