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Is this why APT depsolve/search is fast?

Izhar Firdaus Izhar Firdaus Follow Support Jun 26, 2008 · 1 min read
Is this why APT depsolve/search is fast?
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On a blog post about libBCD dependency resolution algorithm test (which Yum/APT fails, and zypper scores): http://duncan.mac-vicar.com/blog/archives/310

Debian’s apt-get won’t succeed here, because AFAIK Debian only has dependencies across packages, not on libraries. Actually I still wonder how smart could succeed here using a debian backend. I ignore if apt-rpm does support library dependencies.

While I can't verify this (not that familiar with the deb packaging), but if that is really true, it more or less explains why apt is faster than yum - they dont have much stuff to consider and process in the metadata. Yum+RPM can do dep check by libraries, files, executables, perl modules, and some other modules, which makes the metadata large, and depsolve requires more stuff to consider. So, APT-deb users, stop complaining YUM is slow (/me stares at ubuntu zombies) :P

Do tell me if that is wrong :)

On another note, Yaakov M. Nemoy wrote a very good post about why its not good to standardize to only 1 packaging system and package format across distributions.
Written by Izhar Firdaus Follow Support
I'm a system architect, data engineer and developer advocate with passion in Free / Open Source software, entrepreneurship, community building, education and martial art. I take enjoyment in bridging and bringing together different FOSS technologies to help businesses and organizations utilize IT infrastructure to aid and optimize their business and organizational process.

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