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How does cache work in C#?

Jim Brown

How does cache work in C#?

Caching is the process of storing data into cache. Caching with the C# language is very easy….They are as in the following:

  1. Add(CacheItem Item,CacheItemPolicy policy)
  2. Add(string key,object value,CacheItemPolicy policy, string retionname)
  3. Add(string key,object value,DateTimeOffset absoluteExpiration, string retionname)

Is Imemorycache thread safe?

As others have stated, MemoryCache is indeed thread safe. The thread safety of the data stored within it however, is entirely up to your using’s of it. GetOrAdd() ( GetOrCreate() in the case of MemoryCache ) will return the same, singular Lazy to all threads, the “extra” instances of Lazy are simply thrown away.

How can I get caching in MVC?

In ASP.NET MVC, OutputCache attribute is used for applying Caching. OutputCheching will store the output of a Controller in memory and if any other request comes for the same, it will return it from cache result. Caching is used to improve the performance in ASP.NET MVC.

Is ConcurrentDictionary GetOrAdd thread safe?

Internally, the ConcurrentDictionary uses locking to make it thread safe for most methods, but GetOrAdd does not lock while valueFactory is running.

What does caching mean in ASP.NET MVC?

ASP.NET MVC – Caching. Caching means to store something in memory that is being used frequently to provide better performance. We will see how you can dramatically improve the performance of an ASP.NET MVC application by taking advantage of the output cache.

How to cache data in a MVC application?

Cache provider will check if there’s anything by the name of “cache id” in the cache, and if there’s not, it will call a delegate method to fetch data and store it in cache. I’ve adapted this so that the caching mechanism is used per user session by using HttpContext.Current.Session instead.

What does output cache do in ASP.NET?

The output cache enables you to cache the content returned by a controller action. Output caching basically allows you to store the output of a particular controller in the memory. Hence, any future request coming for the same action in that controller will be returned from the cached result.

How to cache username in MVC-C # corner?

ViewBag.welcomeNote = “Welcome back ” + User.Identity.Name + “. Your last login date was ” + u.LastLoginDate; Now, I’m running the code above, see how the usernames are appearing in both (IE and Chrome) browsers, the GIF is given below. Username is also being cached and stored on the server for other users.