How To Use Eclipse Mat

There are syntactical diffrences between mat eclipse oql and jvisualvm oql.

How to use eclipse mat.

The tool is useful for both tracking memory leaks and for periodically reviewing the state of your system. Eclipse memory analyzer tool mat is by far the best tool to analyze java heap dumps. The chart feature requires the birt chart engine version 2 3 0 or greater. Use the memory analyzer to analyze productive heap dumps with hundreds of millions of objects quickly calculate the retained sizes of objects see who is preventing the garbage collector from collecting objects run a report to automatically extract leak.

The snapshot mainly consists. Apart from mat you can use jhat visualvm. Search for memory analyzer and install it. The stand alone memory analyzer is based on eclipse rcp.

Downloading the memory analyzer mat there are two ways to use the memory analyzer tool. The eclipse foundation home to a global community the eclipse ide jakarta ee and over 375 open source projects including runtimes tools and frameworks. Open eclipse ide and select help eclipse marketplace. A heap dump is a snapshot of the heap memory of a java process at a given time.

At the time of writing this answer it is possible to write more complex queries in jvisualvm oql afaik as compared to mat eclipse. The only drawback is response time of jviualvm queries is very large and response does not includes all the records. The eclipse memory analyzer is a fast and feature rich java heap analyzer that helps you find memory leaks and reduce memory consumption. It is useful if you do not want to install a full fledged ide on the system you are running the heap analysis.

To install the memory analyzer into an eclipse ide use the update site url provided below. The eclipse memory analyser tooling mat is a set of plug ins for the eclipse ide which provides tools to analyze heap dumps from java application and to identify memory problems in the application. Lucky for us the eclipse memory analyzer mat can help provide details of an application s memory use. The memory analyzer chart feature is optional.

However in this post we will discuss the features provided with mat. Xmx2400m open your dump file open heap dump wait until parsing is finished for a fast preview make a summary histogram button create a histogram from an. Integrating mat plugin with eclipse. In this tutorial i ll outline 10 tips to help you use the mat more effectively.