一、jvm性能监控工具介绍 JDK本身提供了很多方便的JVM性能调优监控工具,除了jps、jstat、jinfo、jmap、jhat、jstack等小巧的工具,还有集成式的jvisualvm和jconsole。 这些工具在 $JAVA_HOME/bin目录下。 二、jvm性能监控工具使用示例 1、jps jps(JVM Process Status Tool,虚拟机进程监控工具),这个命令可以列出正在运行...
// 将列出的信息类似如下: Java(TM) SE Runtime Environment (build 1.8.0_144-b01) Java HotSpot(TM) 64-Bit Server VM (build 25.144-b01, mixed mode) intx CMSAbortablePrecleanWaitMillis = 100 {manageable} intx CMSTriggerInterval = -1 {manageable} intx CMSWaitDuration = 2000 {manageable} ...
java.class.path=/usr/local/bigdata/apache-zookeeper-3.7.1/bin/../zookeeper-server/target/classes:/usr/local/bigdata/apache-zookeeper-3.7.1/bin/../build/classes:/usr/local/bigdata/apache-zookeeper-3.7.1/bin/../zookeeper-server/target/lib/*.jar:/usr/local/bigdata/apache-zookeeper-3.7.1/b...
build-log -Djps.fallback.jdk.home=/Applications/IntelliJ IDEA.app/Conte 3076 Test -agentlib:jdwp=transport=dt_socket,address=127.0.0.1:51103,suspend=y,server=n -javaagent:/Users/shenheping/Library/Caches/JetBrains/IntelliJIdea2020.1/captureAgent/debugger-agent.jar -Dfile.encoding=UTF-8 2788 -Xms...
/Users/qzvao/.IntelliJIdea2017.3/system/log/build-log-Djps.fallback.jdk.home=D:/ide/idea/jre64-Djps.fallback.jdk.version=1.8.0_152-release-Dio.netty.noUnsafe=true-Djava.io.tmpdir=C:/Users/qzvao/.IntelliJIdea2017.3/system/compile-server/carbon-apimgt_789ae554/_temp_-Djps.backward.ref....
Java HotSpot(TM)64-Bit Server VM (build25.131-b11, mixed mode) 四、jmap,用于生成堆转储快照,不用命令还可以用其他的方式,比如,-XX:+HeapDumpOnOutOfMemoryError参数,可以让虚拟机在OOM异常出现之后自动生成dump文件。jmap不仅获取dump文件,还可以查询finalize执行队列,java堆和永久代的详细信息。此命令主要是...
JPs Private Lake Is Slashed Back by Planners to Sixth of OriginalByline: Lucie van den Berg A LAKE that billionaire JP McManus plans to build on his Limerick...Daily Mail (London)
CLASSIC SPEEDSTER 550 SPYDER CONVERTIBLE D CARS FOR SALE CARS Q&A More CONTACT US: 760-334-8356 Click Here for more Info! ABOUT US In 1991, John Steele closed the chapter on his career as a business executive, and began assembling cars for customers. He founded JPS Motorsports Inc in 1998...
Java(TM) SE Runtime Environment (build 1.8.0_281-b09) Java HotSpot(TM) 64-Bit Server VM (build 25.281-b09, mixed mode) “` 如果未安装JDK,请根据自己的需要选择合适的版本并进行安装。 2. JDK路径未配置:如果已经安装了JDK,但是仍然无法找到jps命令,可能是因为JDK的安装路径未正确配置。可以通过编辑...
Java(TM) SE Runtime Environment (build 1.8.0_XXX-bXX) Java HotSpot(TM) 64-Bit Server VM (build XX.XX-bXX, mixed mode) “` 6. 使用jps命令 现在,您可以在终端中使用jps命令来查看Java进程的状态和进程ID了。 “` jps “` 您应该能够看到类似于以下输出,显示正在运行的Java进程的进程ID和类名:...