What is sliding expiration for caching?
Sliding expiration ensures that if the data is accessed within the specified time interval the cache item life span will be extended by the interval value. For example, a session is added with 10 minutes expiration.
What is a sliding expiration?
Sliding Expiration: Sliding expiration means It will expire cache after time period at the time of activating cache if any request is not made during this time period. This type of expiration is useful when there are so many data to cache.
What is sliding expiration and absolute expiration?
Sliding ExpirationIn Absolute Expiration the cache will be expired after a particular time irrespective of the fact whether it has been used or not in that time span. Whereas, in Sliding Time Expiration, the cache will be expired after a particular time only if it has not been used during that time span.
What is Cookie sliding expiration?
Sliding expiration resets the expiration time for a valid authentication cookie if a request is made and more than half of the timeout interval has elapsed. If the cookie expires, the user must re-authenticate.
How does memory cache work C#?
In-Memory Cache is used for when you want to implement cache in a single process. When the process dies, the cache dies with it. If you’re running the same process on several servers, you will have a separate cache for each server. Persistent in-process Cache is when you back up your cache outside of process memory.
What is AbsoluteExpirationRelativeToNow?
AbsoluteExpirationRelativeToNow – It gets or sets an absolute expiration time, relative to current date and time. ExpirationTokens – It uses token instance to expire the cache entry. PostEvictionCallbacks – It gets or sets a callback that will be fired after the cache entry is removed from the cache.
What is CookieAuthenticationOptions?
In the documentation for CookieAuthenticationOptions it says. The AuthenticationType in the options corresponds to the IIdentity AuthenticationType property. A different value may be assigned in order to use the same authentication middleware type more than once in a pipeline. (Inherited from AuthenticationOptions.)
What is SlidingExpiration .NET core?
The SlidingExpiration is set to true to instruct the handler to re-issue a new cookie with a new expiration time any time it processes a request which is more than halfway through the expiration window.
What is cache in C# with example?
It is a type of memory that is relatively small but can be accessed very quickly. It essentially stores information that is likely to be used again. For example, web browsers typically use a cache to make web pages load faster by storing a copy of the webpage files locally, such as on your local computer.
When should I use MemoryCache?
It’s for when we have used data in our application or some time after, you have to remove the cache data from our system, then we can use it. This is used for data outside of the cache, like if you saved the data in a file or database and then want to use it in our application.
What is a lazy cache?
Lazy cache is a simple in-memory caching service. It has a developer friendly generics based API, and provides a thread safe cache implementation that guarantees to only execute your cachable delegates once (it’s lazy!). Under the hood it leverages Microsoft. Extensions.
What is in-memory cache in C#?