请详细介绍一下Web Services 协议下的XML/SOAP、.NET Explorer 和Java Explorer之间的不同和具体使用方法;
答:这是三种不同类型的应用。
Web Services,XML/SOAP是第一种应用,测试的是Web Service协议,该协议是以XML的格式通过SOAP(http)传输的。
Net Explorer应用是测试Net应用程序的,选择该协议,可以识别出Net开发出来的Dll等类型组件,把组件产开,选择要测试的具体方法。即组件级别的压力测试。
Java Explorer类似,只是测试的应用类型是Java开发出来的组件,如EJB等。
监控Websphere 6.1 是否需要安装其他的组件或其他监控程序,具体如何监控?是否要对Websphere进行相应配置,如何配置?能监控的计数器种类等?请详细介绍一下。答:需要Websphere上部署了PerfServelet应用,具体的监控步骤同Websphere 5.x,请参照SilkPerformer安装后自带的Performance explorer user guider.pdf,下文是摘录的部分内容,供参考。
Procedure To monitor IBM WebSphere Application Server 5.0 via
Performance Servlet, do the following:
• Open the Administrative Console
• Expand “Applications” and click “Install New Application”.
1 MONITORING SERVERS
Defining Data Sources
• Install the perfservlet application. To do this press the browse button and
search for a file named “PerfServletApp.ear”. It is usually under
“WebSphere\AppServer\installableApps\PerfServletApp.ear”. Press
Next.
• The wizard will guide you through the installation. Check the box for
“Generate Default Binding”. Type in the virtual host. For example
“default_host”. Press Next.
• AppDeployment Options:The next step is named “AppDeployment
Options”. Accept the settings and click “Next”
• Map virtual hosts for web modules: Check the box for “WebModule”
and for “perfservlet” and select the virtual host. For example “default_
host” and click “Next”.
• Map modules to application servers: Check “Module” and
“perfservlet” and click “Next”.
• Map security roles to users/groups: Allow all roles by checking all
check boxes. Click “Next”.
• Summary: Click Finish
• The perfservlet application is now deployed but not running. Click the
link “Save to Master configuration” and save your settings you have
made so far.
• Once this is done, expand the node “Applications” and click “Enterprise
Applications”. From the list check the perfservlet application and press
the “Start” button.
• With WebSphere 5.0 monitoring is disabled by default. To enable
monitoring expand the node named “Servers” and click “Application
Servers”.
• Click the server where monitoring has to be enabled. For example
“server1”. Under “Additional Properties” click the link named
“Performance Monitoring Service”. Check the checkbox for “Startup”
such that monitoring is always enabled on startup. Also specify the
specification level. The granularity of performance measures to be
retrieved.
• Click OK and save your settings to the master configuration.
• To verify that the perfservlet application was successfully deployed open
and XML compatible Internet Browser and type in the following URL:
“http://yourHost[:port]/wasPerfTool/servlet/perfservlet
• Assuming that everything was successfully deployed open Performance
Explorer.
监控集群服务器(IBM JS21刀片服务器3节点群集)需要特殊配置吗?需要安装其他程序或组件吗?请详细说明。
答:通过对操作系统的监控完成,取决于安装的操作系统,对Linux,AIX,有不同的配置,请参考SilkPerformer安装后自带的Performance explorer user guider.pdf。