Is Java freezing your system? Tune the garbage collector!

Posted on Tue 26 March 2013 in computing • Tagged with Aladin, Java, Topcat

I regularly open huge images and tables (>1 GB) in interactive Java-based (astronomy) software such as Aladin and TopCat. Because of the way memory allocation works in Java, the area where objects reside in memory (called the heap) needs to be reserved up front using Java's -Xmx switch. Hence I …

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