tailieunhanh - WebSphere Studio Application Developer Version 5 Programming Guide part 70

WebSphere Studio Application Developer part 70 provides integrated development tools for all e-business development roles, including Web developers, Java developers, business analysts, architects, and enterprise programmers. The customizable, targeted, role-based approach of WebSphere Studio Application Developer will be characteristic of all new products built on the WebSphere Studio Workbench. It is well integrated with WebSphere Application Server and provides built-in server test environments that can be used for testing and profiling Web applications | Select the ItsoProGuideJava project and enter as the main class. Figure 20-9 Launch Java Process The remainder of the wizard is the same as the Attach to Java Process wizard. We leave the default options so click Finish. Your are automatically taken to the Profiling perspective the Java process is launched and monitored and the output is displayed in the Profiling Console view as shown in Figure 20-10. Retrieve the data using Refresh Views. You can now analyze the profiling data that was collected as explained in Performance analysis on page 666. 664 WebSphere Studio Application Developer Version 5 Programming Guide Figure 20-10 Profiling Console view Profiling remote processes The profiling feature in Application Developer allows you to monitor applications running on a remote host. The only requirement is that the host has to have the IBM Agent Controller installed and running. If Application Developer is not installed on the remote host the Agent Controller has to be installed separately. IBM Agent Controller is available for many different environments including AIX HP Windows zOS i-series Linux and Solaris. Attaching a Java process on a remote machine is done by creating a remote server and starting it in profiling mode. Details about creating a remote server can be found in Creating a remote server and file transfer mechanism on page 520. Profiling a remote server uses the same process as a local one as described in Profiling an application in the WebSphere Test Environment on page 658. Chapter 20. Profiling applications 665 Performance analysis Before we analyze the performance we must simulate end user usage using a Web browser. In this section we analyze the data collected by running the ItsoProGuideBasicWeb application we EJB access. As you use the Web application the profiling agents collect data. Using the performance analysis data gathered by the agent you can identify potential problems by focusing on Time consuming classes and

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