The document provides an overview of WebSphere Dynamic Caching on z/OS, detailing its core caching infrastructure, features, and monitoring capabilities. It explains the policies for cache configuration and emphasizes the performance, cost reduction, and high availability benefits of using Dynamic Cache. Additionally, it highlights the new features in version 7, including the FRCA cache and its impact on request costs and CPU utilization.

1. Websphere Caching on zOSArchitect: Rohit Kelapure Advisory Software Engineer Dynacache/DRS Team Lead and Architect

2. Dynamic Caching2IBM ConfidentialFebruary 14, 2010

3. 0verview3IBM ConfidentialFebruary 14, 2010

4. Features4IBM ConfidentialFebruary 14, 2010

5. 5IBM ConfidentialWebSphere Application Server Dynacache Service SummaryFebruary 14, 2010Provides core caching infrastructure for Base and ND WAS products.

6. Operates in JVM Memory and/or Disk

7. Distributed replication support for “expensive to recreate” entries

8. Access via J2EE APIs or cachespec.xml

9. Caches at multiple tiers

10. Servlets/Portlets/JSPs page

11. Struts and Tiles responses

12. WebSphere Commands

13. Web Services (Server & Client)

14. Java Objects (Distributed Maps)

15. Supports multiple cache instances