Getting Started with WebSphere Application Server

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184 Getting Started with WebSphere Application Server Community Edition Figure 10.4 - A new server is added and ready to be monitored 5. Figure 10.5 shows live statistics information. By default, there are no collected statistics. Figure 10.5 - Statistics information 6. To add monitoring items, click the + besides the monitoring items you want to enable for statistics collection under Statistics Available list. For example, click the + at the right side of JVM and ConnectorThreadPool as highlighted in the previous figure. You will see their live statistics in Figure 10.6 under the Live Statistics section.
Chapter 10 – Tuning a Community Edition server 185 Figure 10.6 - Live statistics Similarly, you can easily monitor TransactionManager, Tomcat connector, and Web apps in Community Edition. This section provided a quick introduction to monitoring a Community Edition server with the monitoring plug-in. The monitoring plug-in has other powerful functions such as visualization of the history data of server statistics. For a complete reference about the monitoring plug-in, visit http://publib.boulder.ibm.com/wasce/V2.1.1/en/monitoring-the-health-of-a-server.html 10.3 Community Edition Server tuning In this section we describe parameters of a Community Edition server that you can monitor and modify to improve the performance. 10.3.1 Thread pool size The thread pool size determines the processing capacity of a Community Edition server. Tuning this parameter is important to achieve the best performance. The Community Edition server allows the customization of three types of thread pools: • DefaultThreadPool is the major thread pool in Community Edition; it specifies the maximum number of threads possible in the server. Its default size is 500. • ConnectorThreadPool is used by the connector including JMS, Data source, and other JCA connectors in the server. Its default size is 30. • Web container connector thread pool. Each connector of Web container has its own thread pool. Its default value varies for different Web connector types. Note: DefaultThreadPool is the major thread pool in Community Edition; however, some components including the Community Edition Web container are not using
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G E T T I N G S T A R T E D W I T H
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Notices This information was develo
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Trademarks IBM, the IBM logo, and i
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3.8 Exercises .....................
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9.3.2 Changing port numbers .......
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13 Preface Keeping your skills curr
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The DB2 on Campus book series 15
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18 Getting Started with WebSphere A
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1 Chapter 1 - Introduction to WebSp
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Introduction to WebSphere Applicati
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Chapter 4 - Working with databases
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