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Tutorial: Operating dynacache in a production environment

Until this point, the tutorials have focused on dynacache functionality in a basic environment. This tutorial addresses issues and concerns associated with operating dynacache in a production environment. In particular, tuning parameters for disk offload, and cache replication. After completing this tutorial, we will setup cache replication in the environment, and tune the dynacache settings to facilitate more efficient invalidation of the cache entries residing on the disk.

Learning objectives

Operate WebSphere Commerce in a production environment introduces complexities that will now be addressed.

For example, accessing cache entries that have been offloaded from memory introduces overhead associated with reading from and writing to the disk. Invalidating these entries is time consuming. Therefore, it is important to tune the cache using the available properties. By setting these values to the appropriate values, you improve the cache invalidation process.

The second issue will address is cache replication. When WebSphere Commerce is in a clustered environment, you require a replication environment to share the cache entries between the different nodes in the environment.

Time required

Expect this tutorial to take about 15 minutes to complete.


This tutorial is intended for WebSphere Commerce Administrators who will be responsible for operating dynacache in a production environment.


To complete this tutorial, you need WebSphere Application Server v6.0 and WebSphere Commerce v6.0.

For Step 6, you need a clustered WebSphere Commerce environment, complete with a Deployment Manager node.

Expected results

In this tutorial, we will learn how to improve the performance of the dynacache's disk offload capabilities by using the following properties:

Lessons in this tutorial

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