I recently stumbled across a useful presentation: “GC Tuning In the HotSpot JVM” from FISL 10, which provides a good overview of how to tune the ParNew, Paralell and CMS collectors… Also quite useful is this blog entry which explains how to understand CMS GC logs.
Tag Archives: JVM
Performance techniques used in the Hotspot JVM
July 27, 2010 – 10:26 am
Little gem from the Hotspot Internals wiki helping to solve puzzles such as is “X.class.isAssignableFrom(obj)” slower than “obj instanceof X“! Performance techniques used in the Hotspot JVM.
