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JRockit Configuration (Doc ID 978098.1)

Last updated on MARCH 31, 2022

Applies to:

Oracle Demantra Demand Management - Version 7.1.1 to 7.3.0 [Release 7 to 7.3.0]
Information in this document applies to any platform.
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Purpose

This document describes the JRockit Configuration procedures. Please review the information in this document carefully if you are implementing Oracle Demantra with the Oracle JRockit Java Virtual Machine (JVM).

Scope

Document contains information about long Garbage Collection (GC) pause times due to heap fragmentation to assist system administrators.

Details

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In this Document
Purpose
Scope
Details
 Contents
 1. Background
 2. Dealing with a Fragmented Java Heap
 Solutions
 1. Increase the Heap Size
 2. Use a Generational GC
 3. Tune the Compaction Parameters
 4. Avoid Memory Allocation in Java
 5. Avoid Allocating Large Objects
 6. Allocate objects with similar lifespan in chunks
 Summary
 3. Change Record
 4. Documentation Accessibility

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