Closed AdrianHu99 closed 5 years ago
https://www.slideshare.net/DmitriyDumanskiy/jvm-performance-options-how-it-works
-XX: +DoEscapeAnalysis 15-20% performance improvements
-XX:AutoBoxCacheMax 默认范围是-128 ~ 127,如果把该参数调大之后,比如提升到20000,虽然牺牲一点内存,但是服务整体性能可以提升不少
-XX: +OptimizeStringConcat -XX: +OptimizeFill -XX: +UseCompressedOops
https://www.slideshare.net/DmitriyDumanskiy/jvm-performance-options-how-it-works