java performance monitoring tools eclipse

Options Role -F Forces the output thread stack when a normal output request is not responded to -L Displays additional information about the lock, in addition to the stack -M If you call to a local method, you can display the C + + stack Jstack Execution ExampleJust intercept the part and see this is the 10492 thread snapshot of the current time of the virtual machine process ID. The thread is in the run

handling, and performance analysis capabilities, and is very powerful. The Visual VM also has a large advantage, which has a small impact on the actual performance of the application, making it possible to apply directly to the production environment.As for the specific how to use, it is not demonstrated, relatively simple. In addition to the above two tools, yo

There are many valid command-line tools in the Bin directory of the jdk, which are the encapsulation of the Jdk\lib\toos.jar class Library.first, jps: virtual machine process status tool, query out Lvmid.second, jstat: Virtual Machine Statistics monitoring tool,three, Jinfo:java Configuration Information toolView and adjust the parameters of a virtual machine in real Time.Iv. Jmap:java memory Image Tool: ge

1. QuestionsOutOfMemoryError: Insufficient memory;Memory leaksThread deadlockLock Competition (lock contention)Java consumes too much CPU2. Java Common Health ToolsJPS (Java Virtual Machine Process Status tool) monitors JVM process state informationUse format:JPS [Options] [HostID]-M: output parameters that pass in the Main method-L: Displays the fully qualified

1. Introduction:Javamelody can monitor Java or Java EE application servers in a running environment. It is displayed as a graph: Java memory and Java CPU usage, number of user sessions, JDBC connections, and HTTP requests, SQL requests, JSP pages and Business interface methods (EJB3, Spring, Guice), average execution t

Java virtual machine performance monitoring and troubleshooting tools, virtual machine troubleshooting 1. jdk command line tool 1) jps: Virtual Machine Process status Tool Jps [option] [hostid] Main parameters: 2) jstat: Virtual Machine statistics monitoring tool Jstat- Mai

Introduction to common linux performance monitoring tools and linux performance monitoring tools Record several frequently used ones.1. top/htop As we all know about top, there are several common parameters: (you can also start an

Collectl-linux Performance Monitoring Tool Http://collectl.sourceforge.net/index.html Iotop-linux Disk IO Performance monitoring tool http://guichaz.free.fr/iotop/ Linux Monitoring Tools-Sysstat http://sebastien.godard.pagesperso

Jvm performance monitoring and common tools, common tools for jvm monitoring Common JDK command line tools Jps: jps [options] [hostid].-q only displays the jvmid,-m parameter passed to main class,-l class full name, and-v j

exception through the atop command view.Atop logEach time-point sampling page is combined to form a atop log file that we can use to view the log file using the "atop-r XXX" command. So what is the format for saving atop log files?For how to save the atop log file, we can do this: Save a atop log file every day, which records the information of the day Log files are named "ATOP_YYYYMMDD" Set the log expiration period, automatically delete the log file before a period of time

Java performance analysis tools, Part 1: Operating System Tools, java operating systemsIntroduction The premise of performance analysis is that the running status of the application and the running environment of the application a

Chapter 8 JVM performance monitoring and troubleshooting tools (2), jvm troubleshooting Note: This blog is mainly recorded in "deep understanding of Java Virtual Machine (version 2)" Note: For details about JVM performance monitoring