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Asked: 2026-05-25T06:12:38+00:00

Is there any theory that says that a cache should be faster than a

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Is there any theory that says that a cache should be faster than a file system?

I think that since the file system also uses caching there is no scientific proof that we should move content from file system to a cache such as memcache when the concept of file system is somewhat loose — like downloading a “file” could be the same as downloading a memcached object.

My concrete example is whether to host a template engine via memcache or file system. Does it matter?

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  1. Editorial Team

    Your filesystem will probably be faster in many situations. E.g. when you need a cache for your “compiled templates”, the filesystem will be faster.

    And the filesystem caches (especially on linux) will make sure, that your cached templates – which are read often – are available in very short time. The kernel keeps them in an in-memory cache, and reads will be fast as hell.

    memcached is a distributed key/value store. It has different use cases.

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