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

Last updated on APRIL 27, 2021

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.

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
Goal
Solution
 Detect a Memory Leak
 Find the Leaking Class
 Find the Leak
 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
References


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