OUD - How to Troubleshoot Memory Leaks (Doc ID 2766169.1)

Last updated on AUGUST 01, 2023

Applies to:

Oracle Unified Directory - Version 12.2.1.3.180322 and later
Information in this document applies to any platform.

Goal

The Goal of this doc is to provide information on how to detect memory leaks in OUD. It is recommended to apply all OS patches as some customers issues have been resolved by OS patching.

Please review KM doc: OUD - How to Enable Java Flight Recorder (JFR) with Oracle Unified Directory (Doc ID 2097394.1) for more information on how to enable and use JFR.

Solution

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In this Document

Detect a Memory Leak

Find the Leaking Class

Understand the OutOfMemoryError Exception

Troubleshoot a Crash Instead of OutOfMemoryError

Diagnose Leaks in Java Language Code

Get a Heap Histogram

Monitor the Objects Pending Finalization

Diagnose Leaks in Native Code

Track All Memory Allocation and Free Calls

Track All Memory Allocations in the JNI Library

Track Memory Allocation with Operating System Support

Find Leaks with the dbx Debugger

Find Leaks with the libumem Tool

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