Eclipse Tip: Startup Performance

I was a bit concerned with Eclipse’s startup performance. It was taking 12 seconds to start up on a machine with dual XEON’s a gig of RAM running Red Hat Enterprise Linux (RHEL). I started digging. I came across a blog which had the following parameters:

-vmargs -Xverify:none -XX:+UseParallelGC -XX:PermSize=20M
-XX:MaxNewSize=32M -XX:NewSize=32M -Xmx160m -Xms160m

Using these parameters my startup went down to 6 seconds!

The Blue Pill
Running Eclipse


5 thoughts on “Eclipse Tip: Startup Performance

  1. I tested something like this a while back, and found that only -Xverify:none made any actual difference in startup time – although that one parameter is pretty effective.

  2. This series of parameters were used a lot for starting up Netbeans quickier (on the times when it starts after you finished your work in Eclipse 🙂 ).

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