It's for a server that couldn't run redis/memcache and barely has enough memory to run mysql. As I said on the blog: "if you can use memcache, do so, this was

It's for a server that couldn't run redis/memcache and barely has enough memory to run mysql. As I said on the blog: "if you can use memcache, do so, this was something I put together to use on a system in which I couldn’t use memcache. A simpler file cache may have been more appropriate, but I prefer that all my key values stay in one file."