Command-line options that are prefixed with-XXare specific to the Java HotSpot Virtual Machine. Many of these options are important for performance tuning and diagnostic purposes, and are therefore described in this appendix. For information on all possible-XXoptions, see theJava HotSpot VM Option...
Command-Line Options This section describes some command line options that can be useful in diagnosing problems. B.1 HotSpot VM Command-Line Options Command-line options that are prefixed with-XXare specific to the Java HotSpot Virtual Machine. Many of these options are important for performance ...
Usage: jmap [option] <pid> (to connect to running process) jmap [option] <executable <core> (to connect to a core file) jmap [option] [server_id@]<remote server IP or hostname> (to connect to remote debug server) where <option> is one of: <none> to print same info as Solaris ...
在Command Items 标签页或Command Rules & Global Parameter 标签页中, 点击右下角 “Save” 按钮保存当前解析器 (快捷键: Ctrl + S). 提供两种保存格式: Java Script Builder With Options Format:解析器及参数项构建文件 Java Script Builder Format:解析器文件 Java Script Builder With Options Format Java Sc...
或java [-options] -jar jarfile [args...] (执行 jar 文件) 其中选项包括: -d32 使用 32 位数据模型 (如果可用) -d64 使用 64 位数据模型 (如果可用) -server 选择 "server" VM 默认VM 是 server. -cp <目录和 zip/jar 文件的类搜索路径> ...
options = os::strdup_check_oom(pos +1, mtArguments); }#if!INCLUDE_JVMTIif(valid_jdwp_agent(name, is_absolute_path)) { jio_fprintf(defaultStream::error_stream(),"Debugging agents are not supported in this VM\n");returnJNI_ERR; ...
The following options are optional: [--passwordfile|-f]password-filename Specifies the name of the password file. [--isdomain|-l] Specifies if the site is a domain. [--depth|-D] Specifies the link depth to be crawled. [--databasename|-ddatabasename] ...
The parent Command usually becomes a no-action Command, it's often used to handle global options, especially--version, and--help. Allowing only One Sub-command Being Called Certain command line applications, for example,Gitprovides a bunch of sub-commands to do many different things, such as...
此文来自于plumbr官网,plumbr作为一个常用的JVM 监测工具相信大家也有接触,本篇主要解读的是造成Java heap space的原因和解决方法,本篇不涉及实战优化案列,有较多的干货知识和优化思路,希望看完本篇内容的小伙伴能有所收获。 正文 第一篇:java.lang.OutOfMemoryError:Java heap space ...
一些有用的-XX选项(行为参数选项、垃圾收集选项、性能调优选项、调试打印选项):http://www.oracle.com/technetwork/java/javase/tech/vmoptions-jsp-140102.html Java垃圾收集基础:https://www.oracle.com/webfolder/technetwork/tutorials/obe/java/gc01/index.html?spm=a2c4e.10696291.0.0.732b19a4rdAO43 ...