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What is Caching?

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Cache is a smaller and faster memory which stores copies of the frequently used data. Content like HTML pages, images, files, web objects, etc are stored in cache to improve the efficiency and overall performance of the application. We have compiled a list of 30 Cache Techniques questions and Answers that can help you during your interview. Hope you find it useful.
A cache is typically stored in memory or on disk. A memory cache is normally faster to read from than a disk cache. But, does not survive system restarts.
Caches are widely used in most of the high volume applications to:
Reduce Latency
Increase Capacity
Improve App Availability

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