For many JVMs, they put different default values for stack size on different platforms. Can we limit this growth? When a method call occurs, a new stack frame will be created on the stack of that thread. The stack will contain local variables, parameters, return address, etc. In java, ...
Thread Stack Size (0 means use default stack size) [Sparc: 512; Solaris x86: 320 (was 256 prior in 5.0 and earlier); Sparc 64 bit: 1024; Linux amd64: 1024 (was 0 in 5.0 and earlier); all others 0.] -XX:NewRatio 年轻代(包括Eden和两个Survivor区)与年老代的比值(除去持久代) -XX...
-XX:MaxMetaspaceSize java8中-XX:MaxMetaspaceSize=10M设置MetaSpace的最大值为10m。默认是Java的Metaspace空间:不受限制 四、非Stable参数 用-XX作为前缀的参数列表在jvm中可能是不健壮的,SUN也不推荐使用,后续可能会在没有通知的情况下就直接取消了;但是由于这些参数中的确有很多是对我们很有用的,比如我们经常会...
-XX:ThreadStackSize Thread Stack Size (0 means use default stack size) [Sparc: 512; Solaris x86: 320 (was 256 prior in 5.0 and earlier); Sparc 64 bit: 1024; Linux amd64: 1024 (was 0 in 5.0 and earlier); all others 0.] -XX:NewRatio 年轻代(包括Eden和两个Survivor区)与年老代的比值...
设置线程栈的大小:-XXThreadStackSize:设置线程栈的大小(0 means use default stack size) 4、垃圾收集相关 垃圾回收器 为了提高应用程序的稳定性,选择正确的垃圾收集open in new window算法至关重要。 JVM具有四种类型的GC实现: 串行垃圾收集器 并行垃圾收集器 ...
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 ...
--launcher.XXMaxPermSize 128m --launcher.defaultAction openFile -vmargs -Dosgi.requiredJavaVersion=1.5 -Xverify:none -XX:+DisableExplicitGC -Xms512M -Xmx512M -Xmn164m -XX:PermSize=96m -XX:MaxPermSize=96m -XX:+UseParallelGC -XX:CMSInitiatingOccupancyFraction=85 ...
XMX和XMS设置一样大,MaxPermSize和MinPermSize设置一样大,这样可以减轻伸缩堆大小带来的压力 使用CMS的好处是用尽量少的新生代,经验值是128M-256M, 然后老生代利用CMS并行收集, 这样能保证系统低延迟的吞吐效率。 实际上cms的收集停顿时间非常的短,2G的内存, 大约20-80ms的应用程序停顿时间 ...
= 65536bool CompactStrings = trueccstr CompilationMode = defaultccstrlist CompileCommand =ccstr CompileCommandFile =ccstrlist CompileOnly =intx CompileThreshold = 10000double CompileThresholdScaling = 1.000000intx CompilerThreadPriority = -1intx CompilerThreadStackSize = 0size_t CompressedClassSpaceSize =...
Option Name and Value Description Default--- --- ---heap=dump|sites|all heap profiling allcpu=samples|times|old CPU usage offmonitor=y|n monitor contention nformat=a|b text(txt) or binary output afile=<file> write data to file java.hprof[.txt]net=<host>:<port> send data over a s...