JVM常用参数.

发表于 2021-03-22

基础参数

java -XX:+PrintFlagsFinal -version 获取JVM 所有提供的参数选项

formats
Type | Name | Operator | Value | Application

[Global flags]
     #type name                                     # =defaultValue :=overrideValue        #{}
     intx ActiveProcessorCount                      = -1                                  {product}
    uintx AdaptiveSizeDecrementScaleFactor          = 4                                   {product}
    uintx AdaptiveSizeMajorGCDecayTimeScale         = 10                                  {product}

java -XX:+PrintCommandLineFlags 打印当前运行JVM的参数