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copied!<p>Your question seems to be more related to the Cache pattern than to the NHibernate second level cache. see <a href="http://en.wikipedia.org/wiki/Cache_%28computing%29" rel="nofollow">Cache (computing)</a>.</p> <blockquote> <p>...a cache is a component that transparently stores data so that future requests for that data can be served faster...</p> </blockquote> <p>And that's it. If your application is doing any performance crictical operations, the second level cache can help you to serve them much more faster. </p> <p>NHibernate is caching queries by their complete set of parameters (paging, ordering, filters...) so even in simple scenario, providing the home or start page with a list of all articles, employees, tasks... which is served to almost all users ... you can save time and resources. </p> <p>Whenver there is a change in the underlying data, cache is (could be) cleared, and new data are reloaded. </p> <p>And because there are very smart Cache providers, you can use the NHibernate and caches even in web-farms. This is the first reading which you should go through:<a href="http://nhibernate.hibernatingrhinos.com/28/first-and-second-level-caching-in-nhibernate" rel="nofollow">First and Second Level caching in NHibernate</a></p> <p><em>SO: Not only for get by id or static data. Second level cache can improve performance even on transactional application with high traffic. Because even for a very short time, you can take data from a cache (e.g. memeora) and save some milliseconds...</em></p>

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