from 2008. slide 25: experiments on a sampling of different JVMs. More recent : http://vanillajava.blogspot.com/2011/07/java-getting-size-of-object.html htt

from 2008. slide 25: experiments on a sampling of different JVMs. More recent : http://vanillajava.blogspot.com/2011/07/java-getting-size-of-object.html http://vanillajava.blogspot.com/2011/07/java-getting-size-of... http://vanillajava.blogspot.com/2011/07/java-how-much-memory-do-different.html http://vanillajava.blogspot.com/2011/07/java-how-much-memory... http://kohlerm.blogspot.com/2008/10/knowledge-about-much-memory-things-need.html http://kohlerm.blogspot.com/2008/10/knowledge-about-much-mem... http://kohlerm.blogspot.com/2009/02/how-to-really-measure-memory-usage-of.html http://kohlerm.blogspot.com/2009/02/how-to-really-measure-me... http://marxsoftware.blogspot.com/2011/12/estimating-java-object-sizes-with.html http://marxsoftware.blogspot.com/2011/12/estimating-java-obj... (i have zillions bookmarks on this)