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Asked: 2026-05-27T09:27:27+00:00

I am currently building a caching component for my applications. It will have support

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I am currently building a caching component for my applications. It will have support for different adapters:

  • APC
  • Memcached
  • Files

For all of them, I need to generate a cache key for them. What’s the best way to do this? I am considering contatenating the function name and arguements and then running md5() on it. Is this a good strategy?

Finally, when caching objects as files to disk, how should the cache files be organized? I have a feeling that having a cache folder and just throwing all the cache files in there would probably be pretty bad performance.

The application will be hosted on Linux and Windows servers.

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1 Answer

  1. Editorial Team

    Both md5() and sha1() fit your need to name cache files, since they both have a good performance.

    When saving the cache files to the file system, you can refer to how git store its files.

    Links useful:

    Benchmark: http://www.cryptopp.com/benchmarks.html

    How git stores objects: http://book.git-scm.com/7_how_git_stores_objects.html

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