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Chapter 7. Caching
For users,
performance is the most visible aspect
of any IT solution. Developers must make sure that the applications
they build provide users with the functionality they need.
Unfortunately, if those applications can't achieve
adequate performance, the developers' efforts
aren't judged as successful. Consequently, the
search for ways to improve performance never ends.Oracle Application Server includes three different types of caches
that play a role in improving the overall performance of the product:OracleAS Web Cache
An in-memory cache for web content of all kinds, including static
pages, dynamic pages, and pages assembled from both static and
dynamic content.
Java Object Cache
A cache for frequently used or
expensive-to-create objects used by a particular Java application.
Web Object Cache
A Java Object Cache implementation used
for HTTP-centric Java objects.
All three caches improve performance in the same wayby making
commonly used data available more rapidly. This chapter describes the
architecture and use of each cache.
