How To Troubleshoot Memory Leaks on UNIX (Doc ID 477522.1)

Last updated on JULY 19, 2023

Applies to:

Siebel CRM - Version 7.5.3 [16157] and later
Linux x86-64
Generic UNIX

Purpose

This document provides you with information about how to identify whether you are encountering memory leaks and how to investigate to find or narrow down the cause of the memory leak on UNIX/Linux. If you are unable to resolve the memory leak, this document provides you with detailed steps on what information is required by Oracle Customer Support.

Troubleshooting Steps

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In this Document

Troubleshooting Steps

Symptoms of a Memory Leak and Error Messages

Causes of a Memory Leak

Determining the Memory Usage of the Process

Viewing Memory Usage over Time

How Core Dumps Can Indicate a Memory Leak

Diagnostic Steps

How to Capture Basic Performance Data Using a Shell Script

Creating and Running the Shell Script

Reviewing the Performance Data

Verifying the Environment

Checking for Known Issues

Checking for Fixes

Investigating a Reproducible Memory Leak

Investigating a Non-Reproducible Memory Leak

Step-by-Step Example Investigation

Temporary Workaround for Memory Leaks

Data Required by Support to Assist with Troubleshooting

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