Synchronize Distributed Cache With Database Through Polling - Alachisoft
NCache is a distributed caching solution that helps speed up your applications while reducing expensive trips to the database. This in turn adds up scalability because a large number of clients are moved from the database to the cache, resulting in lesser load on your database and eliminating the need to upgrade your hardware.
When data is added in a cache, you actually place a copy of the original data from the database in the cache. When a particular data in your database is updated, its copy in the cache remains unaffected and hence becomes stale. However, this situation occurs only when there are multiple applications updating the same data in the database but not all of them are taking the responsibility of updating the data in the cache.
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