Tuning CMS Don't promote too often! Size the generations
{"Image DocumentName": "Tuning CMS Don\u2019t promote too often! Size the generations", "Image ImageDescription": "Frequent promotion causes fragmentation. Size the generations. Min GC times are a function of Live Set. Old Gen should host steady state comfortably. Parallelize on multicores: -XX:ParallelCMSThreads=4. -XX:ParallelGCThreads=4. Avoid CMS Initiating heuristic. -XX:+UseCMSInitiationOccupanyOnly. Use Concurrent for System.gc() -XX:+ExplicitGCInvokesConcurrent.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}