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→How it works
tdpkg is a simple wrapper library that intercepts file operations like open() and read() when put into LD_PRELOAD. Then it checks if the requested file is under <tt>/var/lib/dpkg/info</tt> and if its contents are already cached inside an indexed database (tokyocabinet or sqlite). If yes, then it returns data from the cache database instead of really reading it from the file.
My personal opinion is that all this indexing and caching stuff should be really implemented inside dpkg, but the advantage of a wrapper library like tdpkg is that everyone can use it, instead of just people who patch their dpkg.
= Stability =
