The new global cache feature in WebSphere Message Broker V8.0.0.1 enables you to share an in-memory cache between processes and brokers. This article describes the global cache, shows you how to use it, and answers some frequently asked questions about it.

This article provides an overview of the new global cache capability in IBM® WebSphere® Message Broker V8.0.0.1. The global cache uses WebSphere eXtreme Scale technology to provide an in-memory data cache that can be shared across execution groups and brokers. This article has three sections:

• Overview of global cache
• Frequently asked questions
• Cache topology considerations

Programming considerations will be covered in a future article.

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