Discover how to use jprofiler in java, include the articles, news, trends, analysis and practical advice about how to use jprofiler in java on alibabacloud.com
, but in fact, looking at those charts, I just want to say I don't understand .... Follow-up and further study, this time is just a simple first look at some.3.1 Jprofiler feature introduction and use:can refer to: http://www.cnblogs.com/zhangyaxiao/p/6678385.html (very good article, inside the menu view of the function of the detailed introduction, how to use the menu function, need to experience the actua
parameter that follows "Java" when the Java program is started. Because I use tomcat, the startup script of Tomcat is started up. add this line to the java_opts parameter in Sh. (In fact, there will still be many failures caused by detailed problems. This is all the background. For example, these command line parameters may conflict with the original parameters.
Some time ago in the performance analysis of the company's projects, from a simple analysis of log (GC log, postgrep log, Hibernate statitistic), through the AOP to collect software running data, to pet testing, feel time spent a lot, performance also has a certain increase, But it always feels like working in primitive times, unable to be simple and smooth, and to achieve the desired result with great clarity. It took a while to learn from the new comb the various tools that have been used befo
Some time ago in the performance analysis of the company's projects, from a simple analysis of log (GC log, postgrep log, Hibernate statitistic), through the AOP to collect software running data, to pet testing, feel time spent a lot, performance also has a certain increase, But it always feels like working in primitive times, unable to be simple and smooth, and to achieve the desired result with great clarity. It took a while to learn from the new comb the various tools that have been used befo
JProfiler is a well-known software used for monitoring and analysis of java systems. It has powerful functions and can monitor common java applications, applets, java web start, and application server. In addition to monitoring local programs, you can also monitor applications running on remote servers. This article ta
Original article:
Http://www.infoq.com/cn/news/2011/08/jprofiler7
J-Technologies Co., Ltd. released jprofiler 7.0 some time ago. Jprofiler is a Java SE/EE profiling tool that features CPU analysis, memory analysis, thread analysis, and Vm telemetry. New Features of version 7.0 include:
Analyze the built-in probes for JDBC, JMS, JNDI, Servlet, files, sockets, a
The JProfiler tool was used during the test several months ago. Although I had some experiences, I kept it in my mind. I also gave my colleagues an entry-level training course, but I was unable to sort it out. Later I wrote it in a hurry with the help of others.
: Http://files.cnblogs.com/wuhou/jprofilerinstallation and use on linux.rar
Preface:
The latest version of J
: Jprofiler to solve the performance of Java server tracking, if the reader's English reading ability than strong can also click on the toolbar help, directly read English, The following sections are also referenced from the English API. 3.2.1 Memory views"now renamed Live Memory"The memory view portion of Jprofiler can provide a dynamic memory usage update view
Java profiling toolJProfilerIt can be integrated with a variety of IDES and application servers. This article mainly introduces jprofiler andIntelliJ IDEA Integration.
1. Choose Session> IDE integrations from the main menu of JProfiler. It is worth noting that IntelliJ IDEA needs to be disabled when the plug-in is installed. If you run the installation program t
JavaPerformance analysis toolsProfiler provides two completely different methods for profiling applicationsProgram. By default, you can useJprofiler GuiFor application performance analysis. The jprofiler GUI provides a button for you to start and close records and displays all analysis data for you. If you do not want to use the jprofiler GUI profiling program, y
Java profiling toolJprofilerProvides 4 differentProfiling Mode, The three modes involvedJprofiler Gui. Therefore, you can view and analyze the data immediately. The fourth mode does not involve the jprofiler gui. It is an offline profiling mode.
1. Attach Mode
For profiling Java 1.6 or later, jprofiler supports con
In recent work, jprofiler is used to solve the memory leakage problem. Now we have recorded the detection steps and some analysis results, and we can use them as a reference when we encounter similar problems in the future.
Running Environment: tomcat6, jdk6, jprofiler8
Memory leakage: 1. when performing some batch operations on the server, it is found that the memory only rises or falls; even after GC, the
1. Open JprofilerThe default is to start the Quick window "or use the menu Session→start Center" to openLocal Java programs are monitored here, so theMain interface2. Viewing the Monitoring interfaceYou can then view the amount of Instance count instance data and size, etc.You can also view the heap and other information by mailSee Example: http://www.cnblogs.com/langtianya/p/3172180.htmljava-
1: Modify/etc/profileAdd the following content:Jprofiler_home=/opt/jprofiler9/bin/linux-x64Export ld_library_path= $LD _library_path: $JPROFILER _home2:tomcat/bin/catalina.shAdd the following content:catalina_opts= "$CATALINA _opts-xms128m-xmx128m $JPDA _opts-agentlib:jprofilerti=port=8849-xbootclasspath/a:/opt/ Jprofiler9/bin/agent.jar "3: Install jprofiler_linux_9_0_1.sh (directly execute)4: Start Tomcat5: Install Jprofiler_windows_9_0_1.exe6: Can e
Java tutorial translation Sequence Java Introduction Build a JSE development environment-install JDK and eclipse Language basics Java Hello World Program Analysis Variable Java Variables Java Native type Conversion of Java
From: http://www.cjsdn.net/post/view? Bid = 21 id = 95116 sty = 1 TPG = 3 age = 0
JavaProgramIn many cases, the program runs as a Service. On the UN * x platform, you can add "" after the command to run the program as a background service, but in windows, if you think that console window is on the desktop, do you always worry about closing your console window at the same time? Do you miss Win32 service programs written in VC?Open the JBoss and tomcat release packages and find that they all
Use java to import and export Excel data, and use java Excel to import and export data.
Jxl is used. jar files can be downloaded from the official website. The exported data adopts fake data. The example is very simple.
Model class:
public class Model {private String name;private String score;public Model(String name,
Use Java code to create a view. Use java code to create a view.Use Java code to create view 1. Introduction
Knowledge needed
Ii. Method
1) create a view using java code* 1. Create a view object first
View view = View. inflate (
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