SP 2010: Developing for performance Part 3 - Caching in SharePoint 2010

This article is part 3 of a series on developing for performance in SharePoint 2010. It focuses on caching strategies to improve application performance under heavy load. Key techniques covered include Output Caching, which caches page output to reduce CPU usage and response time, and Object Caching, both configurable in SharePoint Server 2010. The article discusses benefits like quicker response times and CPU savings, as well as drawbacks such as memory consumption and multi-server inconsistencies. It also mentions custom cache profiles and the VaryByCustom event handler. Aimed at developers, it provides practical guidance for optimizing SharePoint applications.