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6.3.4 Install WebSphere eXtreme Scale for integration with Commerce

In this section, we are only going to mention installation considerations specific to WebSphere Commerce and the use of the dynamic cache service. The WebSphere eXtreme Scale installation has been described in detail in Chapter 4, Installing WebSphere eXtreme Scale.

We are not going to cover the installation of WebSphere Commerce, but are going to make the following assumptions about the environment that we are going to install WebSphere eXtreme Scale into:

• The WebSphere Commerce installation has already been performed on WAS ND v7.0.0.11 (or any supported release).

• A WebSphere Commerce application server or cluster already exists that can be configured for use with eXtreme Scale.

• Dynamic cache service has been configured on this cluster

• We are going to install WebSphere eXtreme Scale into the same Network Deployment cell as WebSphere Commerce. This is the simplest deployment, but introduces the operational consideration that eXtreme Scale and Commerce will have to continue to run on the same patch level of WAS.

At a high level, the following are the installation steps to prepare the Commerce environment:

1. Install WAS ND on the eXtreme Scale node(s) and bring the code to the required fix level.

2. Install eXtreme Scale on top of the Commerce and the WAS installations.

   There are two installation options for eXtreme Scale...

   • client
   • server

   When installing a version of eXtreme Scale earlier than version 7.1, you need to select the server option to install both client and server on the Commerce nodes. Although WebSphere Commerce is technically an eXtreme Scale client, the WebSphere Commerce servers require the server installation because it contains the dynamic cache provider files.

   With eXtreme Scale version 7.1, you only need perform the client install on the Commerce nodes.

   Warning: At the time of writing, there was an issue where the dynamic cache provider used the wrong grid name. This issue is resolved in eXtreme Scale V7.1.0.1. The work around in the mean time is to move the following file to a temporary directory:

   WAS_HOME/lib/xsadmindynacachexc10.jar

   This file is only needed if using the dynamic cache provider from the DataPower XC10 appliance. If you are using the eXtreme Scale dynamic cache provider, the presence of this file causes a problem.

3. Augment the existing WebSphere Commerce profiles to enable the eXtreme Scale functionality.

   These typically include the following profiles:

   • The deployment manager profile

     This profile augmentation will enable the eXtreme Scale-specific portions of the administrative console.

   • The custom profile(s) that contain the Commerce application servers

4. Create new eXtreme Scale custom profiles for the eXtreme Scale nodes and federate them to the deployment manager.

   For guidance on how many servers are needed, 6.5, Sizing guidance.

   We are now in a position to set up the eXtreme Scale dynamic cache provider.

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