使用参考

  1.  USAGE:
  2.    sysprop [-h] [property-name] [property-value]
  4.  SUMMARY:
  5.    Display, and change all the system properties.
  7.  EXAMPLES:
  8.  sysprop
  9.  sysprop file.encoding
  10.  sysprop production.mode true
  12.  WIKI:
  13.    https://arthas.aliyun.com/doc/sysprop
  15.  OPTIONS:
  16.  -h, --help                                  this help
  17.  <property-name>                             property name
  18.  <property-value>                            property value

查看所有属性

  1. [arthas@24264]$ sysprop
  2.  KEY                                  VALUE                                                                                                                                               
  3. ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
  4.  awt.toolkit                          sun.awt.X11.XToolkit                                                                                                                                
  5.  file.encoding.pkg                    sun.io                                                                                                                                              
  6.  java.specification.version           1.8                                                                                                                                                 
  7.  sun.cpu.isalist                                                                                                                                                                          
  8.  sun.jnu.encoding                     UTF-8                                                                                                                                               
  9.  java.class.path                      ./like/target/interaction-like.jar                                                                                                                  
  10.  java.vm.vendor                       Oracle Corporation                                                                                                                                  
  11.  sun.arch.data.model                  64                                                                                                                                                  
  12.  com.alibaba.csp.ahas.shaded.com.ali  true                                                                                                                                                
  13.  baba.metrics.struct_reporter.init_f                                                                                                                                                      
  14.  lag                                                                                                                                                                                      
  15.  java.vendor.url                      http://java.oracle.com/                                                                                                                             
  16.  user.timezone                        Asia/Shanghai                                                                                                                                       
  17.  os.name                              Linux                                                                                                                                               
  18.  java.vm.specification.version        1.8                                                                                                                                                 
  19.  user.country                         US                                                                                                                                                  
  20.  sun.java.launcher                    SUN_STANDARD                                                                                                                                        
  21.  sun.boot.library.path                /usr/local/jdk1.8.0_161/jre/lib/amd64                                                                                                               
  22.  sun.java.command                     ./like/target/interaction-like.jar --spring.profiles.active=fat                                                                                     
  23.  sun.cpu.endian                       little                                                                                                                                              
  24.  user.home                            /home/webuser                                                                                                                                       
  25.  user.language                        en                                                                                                                                                  
  26.  java.specification.vendor            Oracle Corporation                                                                                                                                  
  27.  java.home                            /usr/local/jdk1.8.0_161/jre                                                                                                                         
  28.  file.separator                       /                                                                                                                                                   
  29.  line.separator                                                                                                                                                                           
  31.  java.vm.specification.vendor         Oracle Corporation                                                                                                                                  
  32.  java.specification.name              Java Platform API Specification                                                                                                                     
  33.  ahas.version                         1.8.4_1.8.7                                                                                                                                         
  34.  java.awt.graphicsenv                 sun.awt.X11GraphicsEnvironment                                                                                                                      
  35.  java.awt.headless                    true                                                                                                                                                
  36.  sun.boot.class.path                  /usr/local/jdk1.8.0_161/jre/lib/resources.jar:/usr/local/jdk1.8.0_161/jre/lib/rt.jar:/usr/local/jdk1.8.0_161/jre/lib/sunrsasign.jar:/usr/local/jdk1 
  37.                                       .8.0_161/jre/lib/jsse.jar:/usr/local/jdk1.8.0_161/jre/lib/jce.jar:/usr/local/jdk1.8.0_161/jre/lib/charsets.jar:/usr/local/jdk1.8.0_161/jre/lib/jfr. 
  38.                                       jar:/usr/local/jdk1.8.0_161/jre/classes                                                                                                             
  39.  java.protocol.handler.pkgs           org.springframework.boot.loader                                                                                                                     
  40.  sun.management.compiler              HotSpot 64-Bit Tiered Compilers                                                                                                                     
  41.  java.runtime.version                 1.8.0_161-b12                                                                                                                                       
  42.  user.name                            webuser                                                                                                                                             
  43.  path.separator                       :                                                                                                                                                   
  44.  os.version                           3.10.0-229.el7.x86_64                                                                                                                               
  45.  java.endorsed.dirs                   /usr/local/jdk1.8.0_161/jre/lib/endorsed                                                                                                            
  46.  java.runtime.name                    Java(TM) SE Runtime Environment                                                                                                                     
  47.  file.encoding                        UTF-8                                                                                                                                               
  48.  spring.beaninfo.ignore               true                                                                                                                                                
  49.  sun.nio.ch.bugLevel                                                                                                                                                                      
  50.  java.vm.name                         Java HotSpot(TM) 64-Bit Server VM                                                                                                                   
  51.  jetty.git.hash                       b1e6b55512e008f7fbdf1cbea4ff8a6446d1073b                                                                                                            
  52.  java.vendor.url.bug                  http://bugreport.sun.com/bugreport/                                                                                                                 
  53.  java.io.tmpdir                       /tmp                                                                                                                                                
  54.  com.zaxxer.hikari.pool_number        1                                                                                                                                                   
  55.  java.version                         1.8.0_161                                                                                                                                           
  56.  user.dir                             /home/webuser/middleplatform-interaction                                                                                                            
  57.  os.arch                              amd64                                                                                                                                               
  58.  PID                                  24264                                                                                                                                               
  59.  java.vm.specification.name           Java Virtual Machine Specification                                                                                                                  
  60.  java.awt.printerjob                  sun.print.PSPrinterJob                                                                                                                              
  61.  app.id                               100076                                                                                                                                              
  62.  sun.os.patch.level                   unknown                                                                                                                                             
  63.  java.library.path                    /usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib                                                                                        
  64.  java.vm.info                         mixed mode                                                                                                                                          
  65.  java.vendor                          Oracle Corporation                                                                                                                                  
  66.  java.vm.version                      25.161-b12                                                                                                                                          
  67.  java.ext.dirs                        /usr/local/jdk1.8.0_161/jre/lib/ext:/usr/java/packages/lib/ext                                                                                      
  68.  sun.io.unicode.encoding              UnicodeLittle                                                                                                                                       
  69.  java.class.version                   52.0                                                                                                                                                
  70.  apollo.meta                          http://beta.config.csdn.net:8080

查看单个属性

支持通过TAB键自动补全

$ sysprop java.version
java.version=1.8.0_51

修改单个属性

$ sysprop user.country
user.country=US
$ sysprop user.country CN
Successfully changed the system property.
user.country=CN