Date Created: Mon 01-Aug-2011

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    Using the WebSphere Application Server dynamic cache service to improve performance

    Caching the output of servlets, commands, and JavaServer Pages (JSP) improves application performance. WebSphere Application Server consolidates several caching activities including servlets, Web services, and WebSphere commands into one service called the dynamic cache. These caching activities work together to improve application performance, and share many configuration parameters that are set in the dynamic cache service of an application server. You can use the dynamic cache to improve the performance of servlet and JSP files by serving requests from an in-memory cache. Cache entries contain servlet output, the results of a servlet after it runs, and metadata.

    The dynamic cache service works within an application server Java virtual machine (JVM), intercepting calls to cacheable objects. For example, it intercepts calls through a servlet service method or a command execute method, and either stores the output of the object to the cache or serves the content of the object from the dynamic cache.
    Procedure

    The dynamic cache service is enabled by default. You can configure the default cache instance in the administrative console.
    • Configuring servlet caching.
    • Configuring portlet fragment caching.
    • Configuring Edge Side Include caching.
    • Configuring command caching.
    • Example: Caching Web services.
    • Configuring the JAX-RPC Web services client cache.

    remember to monitor the results of your configuration using the dynamic cache monitor.

    http://publib.boulder.ibm.com/infocenter/wasinfo/v7r0/topic/com.ibm.websphere.nd.iseries.doc/info/iseriesnd/ae/tdyn_dynamiccache.html

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Steve Robinson - IBM Champion 2013

About Me

Steve Robinson has been working in IT for over 20 years and has provided solutions for many large-enterprise corporate companies across the world. Steve specialises in Java and Middleware.

In January 2013, I was awarded the prestigous 'IBM Champion' accolade.


Read my books?

IBM WebSphere Application Server 8.0 Administration Guide

IBM WebSphere Application Server 8.0 Administration Guide

WebSphere Application Server 7.0 Administration Guide

WebSphere Application Server 7.0 Administration Guide

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