JVM参数说明
JVM配置参数中文说明： ----------------------------------- 1、-Xmixed?????????? mixed mode execution (default) ?混合模式执行 ? 2、-Xint???????????? interpreted mode execution only ?解释模式执行 ? 3、-Xbootclasspath:<directories and zip/jar files separated by ;> ????? set search path for bootstrap classes and resources ?设置zip/jar资源或者类（.class文件）存放目录路径 ? 3、-Xbootclasspath/a:<directories and zip/jar files separated by ;> ????? append to end of bootstrap class path ?追加zip/jar资源或者类（.class文件）存放目录路径 ? 4、-Xbootclasspath/p:<directories and zip/jar files separated by ;> ????? prepend in front of bootstrap class path ?预先加载zip/jar资源或者类（.class文件）存放目录路径 ? 5、-Xnoclassgc?????? disable class garbage collection ?关闭类垃圾回收功能 ? 6、-Xincgc?????????? enable incremental garbage collection ?开启类的垃圾回收功能 ? 7、-Xloggc:<file>??? log GC status to a file with time stamps ?记录垃圾回日志到一个文件。 ? 8、-Xbatch?????????? disable background compilation ?关闭后台编译 ? 9、-Xms<size>??????? set initial Java heap size ?设置JVM初始化堆内存大小 ? 10、-Xmx<size>??????? set maximum Java heap size ?设置JVM最大的堆内存大小 ? 11、-Xss<size>??????? set java thread stack size ?设置JVM栈内存大小 ? 12、-Xprof??????????? output cpu profiling data ?输入CPU概要表数据 ? 13、-Xfuture????????? enable strictest checks, anticipating future default ?执行严格的代码检查，预测可能出现的情况 ? 14、-Xrs????????????? reduce use of OS signals by Java/VM (see documentation) ?通过JVM还原操作系统信号 ? 15、-Xcheck:jni?????? perform. additional checks for JNI functions ?对JNI函数执行检查 ? 16、-Xshare:off?????? do not attempt to use shared class data ?尽可能不去使用共享类的数据 ? 17、-Xshare:auto????? use shared class data if possible (default) ?尽可能的使用共享类的数据 ? 18、-Xshare:on?????? require using shared class data, otherwise fail. ?尽可能的使用共享类的数据，否则运行失败 ? The -X options are non-standard and subject to change without notice. -----------------------------------