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IBM Pattern Modeling and Analysis Tool for Java Garbage Collector
A tool that parses verbose GC trace, analyzes Java heap usage, and recommends key configurations based on pattern modeling of Java heap usage.
Date Posted: April 12, 2005
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Platform requirements
Operating system: Java™ 2 Platform, Standard Edition
Hardware: Memory larger than the verbose GC trace size
Software:
- Java Run-time Environment 1.4.2 or above
- Log files with verbose:gc or Xverbosegc enabled on IBM® JVM 1.3.x,1.4.x and 5.0; Solaris JVM 1.4.1/1.4.2/5.0; or HP-UX JVM 1.4.1/1.4.2/5.0.
Installation instructions
- Unzip gaNNN.zip (NNN is the version number).
- Unzip readmeNNN.zip and read the readme file.
- Run gaNNN.jar with the Java Run-time Environment.
The following is an example of processing a verbose GC trace with PMAT Version 1.0.1 and about 500 MB of Java heap size:
<Java Runtime Environment path>java -Xmx500m -jar ga101.jar
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Other company, product, or service names may be trademarks or service marks of others.
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