Comparing Fedora 9 upgrade using Smart x Yum

[Mauricio Teixeira]

This has been mentioned on an IRC chat, so I gave it a shot.

* OVERVIEW

I have made a default Fedora 9 installation, with default partitioning
and default package selection. After that, I installed bzr, gcc,
downloaded Smart from Launchpad, and installed it. With all done, I have
run the tests.

The tests consists in running 'echo -n | yum upgrade' and 'echo -n |
smart upgrade', and timing the results. In current state, Fedora updates
run in 2 steps:

* STEP #1

Yum downloads a few packages, being one of them a repo file pointing to
a secondary updates repository.

- yum = 10.646s (1.8M of updates)
- smart = 3.303s (1.9M of updates)

* STEP #2

Now that's when the real update works, from the 'newkey' repo.

- yum = 20.725s (598M of updates)
- smart = 11.656 (611.8M of updates)

* FUNNY FACT

I still need to inspect the package selection to understand why Smart
finds more megs than yum.

* CONCLUSION

Note that the times above have been measured during dependency
calculation state, not the update/upgrade itself.

Please, let me know if you want any other data. I still have the test
bed untouched.

-- 
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