![]() When a cache client attempts to access data, it first checks the cache. Because almost all application workloads depend on I/O operations, the caching process improves application performance. Cache decreases data access times, reduces latency and improves input/output ( I/O). Cache is commonly used by the central processing unit (CPU), applications, web browsers and operating systems.Ĭache is used because bulk or main storage can't keep up with the demands of clients. Cached data is stored temporarily in an accessible storage media that's local to the cache client and separate from the main storage. It is a small amount of faster, more expensive memory used to improve the performance of recently or frequently accessed data. Stacey Peterson, Senior Managing EditorĪ cache - pronounced CASH - is hardware or software that is used to store something, usually data, temporarily in a computing environment.
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