Apart from that, there are so many popular use cases for caching. The main practical usage of a caching system is to enforce it into Enterprise applications.
If you want it stored forever don't use a cache.
However most caches don't guarantee to keep your object cached forever, much like your pub drinking buddy they will hold your drink while you go to the loo, but if you take too long it might not be there when you come back and ask for it. For example in c# most other caches look like: // save the results in the cache. You also gain the benefit you reduced the load on the original data source.
The results might be saved in memory, on disk, on another server - it does not matter - with the same key you can get the results you saved beforehand significantly faster than you can generate it again. Most caches are interfaced as a dictionary - a key/value store where you save the results of some function under a string identifier and then retrieve them later using the same key. But did you think about when to dispose that reference so it could be garbage collected? When does that cached value become stale and need refreshing? Rather than hand roll all that logic, let someone else do it for you. Have you ever saved the result of a database query in a static property for later use? Or held on to a result of a slow method in the property of a long lived object? Then you have cached it. You don't need to use a formal cache library or system to do caching, lot's of developers do it instinctively.
#Icaching providers .net code#
All of these are useful, and often necessary, but it can be easier to take some method(s) in your code whose result scan be Used more than once and cache it. You can host you entire site behind the might of cloudflare, a global content cache. Most apps use many forms of caching for performance: web servers set cache headers to enable browsers to cache files, databases cache query plans, asp.net offers output caching for page/controller generated text. It is also usually simpler than re-architecting your solution for scalability, and cheaper than more hardware. However many apps get to a point where performance becomes an issue, and adding caching is one easy way to get a significant performance boost. Lots of apps don't need caching because web servers and databases are fast. Tl dr If you need to speed up your c# application you probably need to add caching, and the easiest way to do that is use the source library I wrote called Laz圜ache.
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