How To Fix D3751 - CPU utilization (OS/390)

D3751 - Overview

• Message type: E = Error

• Message class: D3 - CCMS - DB2 on OS390

• Message number: 751

• Message text: CPU utilization (OS/390)

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message D3751 - CPU utilization (OS/390) ?

  The SAP error message D3751 indicates that the CPU utilization on an OS/390 (IBM's mainframe operating system) is exceeding acceptable limits. This can lead to performance issues and may affect the overall functioning of the SAP system.
  
  Cause:
  
  High Workload: A sudden increase in workload or batch jobs can lead to high CPU utilization.
  Inefficient Programs: Poorly optimized ABAP programs or reports that consume excessive CPU resources.
  Database Performance: Inefficient database queries or locks can lead to increased CPU usage.
  System Configuration: Incorrect system parameters or configurations that do not align with the workload requirements.
  Resource Contention: Other applications or processes running on the same mainframe may be consuming CPU resources.
  
  
  Solution:
  
  Monitor CPU Usage: Use monitoring tools to analyze CPU usage patterns and identify the processes consuming the most resources.
  Optimize ABAP Programs: Review and optimize any ABAP programs or reports that are running during peak times. Use transaction codes like ST05 (SQL Trace) and ST12 (Performance Analysis)