[英]Using memorycache in asp.net mvc application it gets created everytime
Environment:
asp.net mvc
iis
I have create a wrapper and concrete class around memorycache which in its constrcutor i set memoryCache 我创建一个围绕的MemoryCache的包装和具体的类,它在其constrcutor我设置的MemoryCache
public class AbijMemoryCache : IAbijMemoryCache
{
private readonly MemoryCache _cache;
public AbijMemoryCache()
{
if (_cache == null)
{
_cache = MemoryCache.Default;
}
}
}
then in unity for getting only one instance of memory cache I have used ContainerControlledLifetimeManager 然后为了统一只获取一个内存缓存实例,我使用了ContainerControlledLifetimeManager
container.RegisterType<IAbijMemoryCache, AbijMemoryCache>(new ContainerControlledLifetimeManager());
i set cache in my homeController using following code 我使用以下代码在homeController中设置缓存
var policy = new CacheItemPolicy();
_cache.Set(key, value, policy);
but after uploading it to iis cache get empty sometime. 但将其上传到iis缓存后,有时会清空。
checking 检查
_cache.Get(key) **`it gets null`**
why its getting null? 为什么它为空? what should i do?
我该怎么办?
I find that MemoryCache is working by reference so if you do assign an object to memoryCache it will be by refremce 我发现MemoryCache通过引用工作,因此如果您确实将一个对象分配给memoryCache,则将通过刷新
_cache.Set(key, value, policy); //value should not be an object.
you can use a serialize before caching the value so it can be done like 您可以在缓存值之前使用序列化,以便像
var cloneValue = SerializationCloner.DeepFieldClone(value);
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