These downloads pertain to the dynamic cache. A WebSphere Application Server performance enhancement is the ability to cache the output of dynamic servlets and JSP files, a technology that improves application performance. This technology, working within an application server's Java Virtual Machine (JVM), intercepts calls to a servlet's service method, and checks whether the invocation can be served from a cache. Because J2EE applications have such high read-write ratios and can tolerate a small degree of latency in the freshness of their data, fragment caching creates an opportunity for significant gains in server response time, throughput, and scalability.
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