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Hollowman
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Joined: 19 Apr 2007
Posts: 584
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 Posted: Fri Jan 30, 2009 4:38 pm Post subject: |
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Hi
Ich hab die MAKEOPTS auf 3 stehen und häng beim emergen immer ein -j 3 an. Dann hat die Kiste richtig was zu tun.
Sebastian |
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Martux
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Joined: 04 Feb 2005
Posts: 1917
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| Posted: Fri Jan 30, 2009 5:16 pm Post subject: |
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Also das mit load-average kapier ich nicht so richtig... Was ist denn da ein vernünftiger Wert? (Quadcore CPU)
EDIT: Ach so, ich benutze auch tmpfs für /var/tmp/portage und ccache. (Ccache ist auf ~arch, wo es öfter Mal r1-2-3 releases sowie geänderte Useflags gibt sicher sinnvoll).
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musv
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Joined: 01 Dec 2002
Posts: 3366
Location: de
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| Posted: Sat Jan 31, 2009 12:05 pm Post subject: |
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Hier hab ich grad noch was zu ccache gefunden:
http://blog.flameeyes.eu/2008/06/21/debuking-ccache-myths
Besonders interessant war darin der Abschnitt (weiter unten):
| Duncan about 12 hours later: wrote: | | Talking about compiling into tmpfs, those of us with PORTAGE_TMPDIR pointed at tmpfs only have to worry about ONE of those writes to disk you mentioned, the ccache write (caching it to disk is sort of the point), since the result written to PORTAGE_TMPDIR is usually only an intermediate result anyway, and deleted before the final qmerge to the live system filesystem on disk. Not having to write and delete all those intermediate results files makes a pretty big difference! =8^) |
Tja, heißt jetzt also:
Entweder ccache oder tmpfs. Beides scheint nicht zu gehen. |
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SinoTech
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Joined: 20 Mar 2004
Posts: 2579
Location: Neunkirchen / Saarland / Germany
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| Posted: Sat Jan 31, 2009 4:47 pm Post subject: |
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| musv wrote: | Hier hab ich grad noch was zu ccache gefunden:
http://blog.flameeyes.eu/2008/06/21/debuking-ccache-myths
Besonders interessant war darin der Abschnitt (weiter unten):
| Duncan about 12 hours later: wrote: | | Talking about compiling into tmpfs, those of us with PORTAGE_TMPDIR pointed at tmpfs only have to worry about ONE of those writes to disk you mentioned, the ccache write (caching it to disk is sort of the point), since the result written to PORTAGE_TMPDIR is usually only an intermediate result anyway, and deleted before the final qmerge to the live system filesystem on disk. Not having to write and delete all those intermediate results files makes a pretty big difference! =8^) |
Tja, heißt jetzt also:
Entweder ccache oder tmpfs. Beides scheint nicht zu gehen. |
Doch klar, das eine hat mit dem anderen ja eigentlich nichts zu tun. Temporäre Dateien die beim build entstehen werden so oder so unter "PORTAGE_TMPDIR" abgelegt, ganz egal ob sie direkt vom compiler stammen oder von ccache.
Cheers,
Sino
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