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Unexpected High CPU Usage with WebLogic Server (WLS) Support Pattern (Doc ID 779349.1)

Last updated on FEBRUARY 21, 2024

Applies to:

Oracle WebLogic Server - Version 6.1 and later
Information in this document applies to any platform.

Purpose

This document discusses how to troubleshoot and fix issues leading to high CPU usage.

Problem Description

A system administrator or user notices that the WebLogic Server process is consuming a lot of CPU cycles and wants to know why/what is consuming CPU cycles.

Problem Troubleshooting

Please note that not all of the following items would need to be done. Some issues can be solved by only following a few of the items.

Troubleshooting Steps

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In this Document
Purpose
 Problem Description
 Problem Troubleshooting
Troubleshooting Steps
 Why does the problem occur?
 Determine the PID for the WLS Process
 Determining the PID on UNIX-based Systems
 Determining the PID on Windows Systems
 Convert the PID to Hexadecimal Number
 Analyze CPU usage for the Process
 Solaris
 Linux
 AIX
 HP-UX
 Windows
 External Resources
References

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