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On Sun, 2 May 2004 19:04:16 +0900 |
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Jason Stubbs <jstubbs@g.o> wrote: |
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> The performance issues are partially db-related, but the biggest |
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> "problem" is having to call bash. The current caching in portage is |
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> still stored in a file-based "database". The difference in access times |
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> of the portage database and the cache is that the cache files have a set |
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> format. |
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Most emerge commands, be it to sync the tree or perform a |
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package operation are very slow due to this bash handicap. On one of the |
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faster sparc32 machines you can get, I'm seeing the following for a |
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pretend emerge of a package with few dependencies to calculate; |
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reliant root # time emerge -pv dnsmasq |
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These are the packages that I would merge, in order: |
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Calculating dependencies ...done! |
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[ebuild R ] net-dns/dnsmasq-2.5 0 kB |
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Total size of downloads: 0 kB |
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|
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real 0m23.827s |
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user 0m21.750s |
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sys 0m1.310s |
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A good portion of this time doesn't even show any output from emerge at |
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all. |
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Cheers, |
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-- |
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Jason Wever |
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Gentoo/Sparc Team Co-Lead |
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