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.
Mat memory analyzer.
Memory analyzer 1 2 and earlier has no ui support to decide which heap dump to read.
The histogram lists the objects grouped by their class.
Size and total number of objects at the top then a pie chart with the biggest objects and links to continue the analysis.
With memory analyzer one can easily find the biggest objects as mat provides reasonable accumulated size retained size explore the object graph both inbound and outbound references.
Get an overview of the heap dump.
To install the memory analyzer into an eclipse ide use the update site url provided below.
It is useful if you do not want to install a full fledged ide on the system you are running the heap analysis.
Ibm monitoring and diagnostic tools for java memory analyzer troubleshooting.
It s settings are xmn7m xms48m xmx256m.
By default mat takes the first heap dump.
A heap dump contains valuable information about the state of your system and the mat provides the tools needed to access this data.
The stand alone memory analyzer is based on eclipse rcp.
Memory analyzer 1 3 provides a dialog for the user to select the appropriate dump.
The eclipse memory analyzer tool mat is a fast and feature rich heap dump analyzer that helps you find memory leaks and analyze high memory consumption issues.
This tool is based on the eclipse memory analyzer mat project and uses the ibm diagnostic tool framework for java dtfj feature to enable the processing of dump files from ibm virtual machines.
If you want to read an alternative dump one has to start mat with the system property mat hprof dump nr index.
The eclipse memory analyzer is a fast and feature rich java heap analyzer that helps you find memory leaks and reduce memory consumption.
Memory analyzer is provided as an ibm support assistant isa add on.
The memory analyzer is a great tool for creating reports about the state of an application s memory.
Mat seems to run in the isa eclipse host ibm jvm.
This helps the developer to find memory leaks and high memory consumption issues.
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 memory analyzer chart feature is optional.
This help page for memory analyzer from ibm support assistant suggests the following.
The memory analyzer can approximate the retained size.
Memory analyzer mat the eclipse memory analyzer is a fast and feature rich java heap analyzer that helps you find memory leaks and reduce memory consumption.
