What is the difference between data prefetching and caching?
Data prefetching is the process of loading data into memory before it's actually needed, while caching stores frequently accessed data to speed up retrieval.
Can you give me an example of when to use prefetching?
Sure! Prefetching is useful in applications where you can predict user behavior, like loading the next few pages of a website.
And what about caching? When should I use it?
Caching is ideal for data that is expensive to fetch or compute, like database query results, to improve performance.
Are there any downsides to using either technique?
Yes, prefetching can waste bandwidth if the data isn't used, while caching can lead to stale data if not managed properly.
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