Memory control for Eclipse

- Install Memory Monitor and Status Memory Monitor from Kyrsoft.
By installing these Eclipse plugins, you gain complete control over the
memory garbage of Eclipse. Install them via Help > Software Updates
> Find and install – Search for new features to install and choose a
new remote site. Enter http://www.kyrsoft.com/updates/ as the URL.

Improving performance of Eclipse/FlexBuilder

May 13th, 2008 . by polygeek

I’m working on a Flex project that is just kicking Eclipse in the ass. It takes forever to build and I keep getting out of memory errors.
Finally, I complained about the issue on Twitter and @tomcornilliac was
nice enough to twit back that I needed to give Eclipse a bigger heap by
editing the eclipse.ini file.

Simple enough. My eclipse.ini file is in the root folder of the Eclipse installation and looks like this:

-showsplash
org.eclipse.platform
–launcher.XXMaxPermSize
256M
-vmargs
-Dosgi.requiredJavaVersion=1.5
-Xms40m
-Xmx256m
-Djava.net.preferIPv4Stack=true
-Djava.net.preferIPv4Stack=true

I changed the two bolded lines to:

-Xms256m
-Xmx512m

And everything runs much faster and I haven’t gotten any of those pesky errors since.

You can also go Window > Preferences > General > Show heap
status to get a display of how much RAM Eclipse has to work with and
how much it’s actually using. Very handy to turn that on to see if you
need to increase your RAM allowance.

Thanks Polygeek!