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On Mittwoch 04 Februar 2009, Momesso Andrea wrote: |
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> On Wed, Feb 04, 2009 at 08:58:23AM +0200, Alan McKinnon wrote: |
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> > On Wednesday 04 February 2009 01:48:34 Nikos Chantziaras wrote: |
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> > > So all in all, I agree. Using Gentoo is nowadays not so much a matter |
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> > > of performance optimization but of better control of how to build the |
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> > > packages and the rolling release nature (I'm tired of major updates |
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> > > every 6 months in the majority of binary distros.) I also like the USE |
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> > > flags which let me chose how to build something and get rid of |
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> > > dependencies I don't need. Administrative features like dispatch-conf |
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> > > are also very useful. |
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> > |
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> > This is the main benefit of Gentoo for me. I have to use SuSE or RHEL at |
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> > work for the database machines - Sybase will not support any other other |
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> > distro - and the 1G+ base install from those distros drive me nuts. |
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> > Contrast that with the DNS caches which run FreeBSD, the difference is |
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> > about a factor of 5 if not more. |
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> > |
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> > I also get sick and tired of installing postfix on a database machine |
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> > purely to send nagios alerts, and watching the distro "helpfully" want to |
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> > pull in PostgreSQL, MySQL, LDAP, SASL, Courier and some fancy |
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> > MTA-switcher thingy. All because the maintainer enables those features |
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> > and now I gotta have them. |
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> > |
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> > No thanks. Rather give me USE so I say what goes on the box. |
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> > |
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> > -- |
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> > alan dot mckinnon at gmail dot com |
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> |
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> Often on gentoo related IRC chanels comes someone who asks why his |
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> firefox-bin (or openoffice-bin or *-bin) runs faster than his |
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> built-from-source firefox. |
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> |
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> Usually chan's gurus answer that upstream packagers use all the possible |
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> compiler optimizations (CFLAGS LDFLAGS etc.) for the given package, |
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> while the average gentoo users keeps a set of "system wide very safe |
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> optimizations" that are good for most packages, but not the best for |
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> every particolar package. |
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> |
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> Is that statement correct? |
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|
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partly. Gentoo CFLAGS don't replace the ones already there. Except stuff like |
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OX where the package has something like O99 set (mplayer, hello) and you set |
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O2 or Os. O99 = O3. But you shouldn't see any difference. |