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Configure external cache groups

 

The dynamic cache can control caches outside of the appserver, such as the Edge server, an IBM HTTP Server, or an HTTP Server ESI Fragment Processor plug-in.

 

Overview

When external cache groups are defined, the dynamic cache matches externally cacheable cache entries with those groups, and pushes cache entries and invalidations out to those groups. This allows WAS to manage dynamic content beyond the appserver. The content can then be served from the external cache, instead of the appserver, improving savings in performance.

 

Procedure

  1. Open the console.

  2. Enable the dynamic cache.

    1. In the console, click Servers > Application servers > server > Container services > Dynamic cache service.

    2. Select Enable service at server startup to enable the dynamic cache each time the appserver starts.

  3. Define the external cache group that WAS should control.

    1. In the console, click Servers > Application servers > server > Container services > Dynamic cache service > External cache groups.

    2. Click New or choose an external cache group from the list.

  4. Configure cache group members.

    1. Click External cache groups from the dynamic cache administrative console page. Then click New or choose an external cache group from the list.

    2. Click External cache group members > New or choose an external cache group member from the list.

    3. Type the configuration string in the Address field.

    4. Type the adapter bean name in the Adapter Bean Name field.

       

    5. Save the configuration.

    6. Click Apply or OK.



External cache group collection

External cache group settings

External cache group member collection

External cache group member settings

Configure high-speed external caching through the Web server