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MaxDamage
l33t
Joined: 03 Jan 2004
Posts: 650
Location: Oviedo, Spain
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 Posted: Fri Apr 16, 2004 10:52 pm Post subject: You could be wasting up to 2 gigas!!!! |
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I've just been using Gentoo since last Xmas. In some point i emerged ccache as I thought it could speed up re-compilation of packages. You can read about it here:
http://www.gentoo.org/doc/en/handbook/handbook-x86.xml?part=2&chap=3#doc_chap2
Well, the funny thing is by default ccache sets a limit of diskspace used of 2Gb!!
Today I was curious and did a
| Code: | | du -sh /root/.ccache |
and... yes, it was already using 2 gigas 
In the doc I linked above, is explained how to set the limit you want editing a variable in the file
Just a warning for unconscious users like me, because as I said, I was wasting 2Gb of my 40Gb HD and it wasn't funny 
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benguru
Tux's lil' helper
Joined: 19 Feb 2004
Posts: 125
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| Posted: Sat Apr 17, 2004 2:50 pm Post subject: Good tip |
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Hi,
That is a good tip, however when you are experimenting with options in the kernel, and need to keep rebooting it speeds up kernel compile time by a lot. However I don't recompile stuff much, except for upgrades, so maybe I should stop using it? Anyway also you can clean out /usr/portage/distfiles/ |
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Elm0
Apprentice
Joined: 24 Nov 2002
Posts: 281
Location: UK
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| Posted: Sat Apr 17, 2004 3:25 pm Post subject: |
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| The 2.6 kernel build system doesn't rebuild every object file for the kernel every time you run make bzImage anymore, so this isn't really an issue anymore if kernel compile times are important. With 1 or 2 changes it usually takes about 30 seconds to compile a kernel on my PC. |
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Spawn of Lovechild
Apprentice
Joined: 03 Feb 2004
Posts: 253
Location: Århus, Denmark
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| Posted: Sat Apr 17, 2004 3:49 pm Post subject: |
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I won't call that waste, you are caching.
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blaksaga
Guru
Joined: 19 May 2003
Posts: 461
Location: Omaha, NE, USA
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| Posted: Sat Apr 17, 2004 6:12 pm Post subject: |
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Gil-galad55
Tux's lil' helper
Joined: 02 Feb 2004
Posts: 101
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| Posted: Sat Apr 17, 2004 6:21 pm Post subject: |
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Here's a newbish question:
If the ccache FEATURES tag is set in make.globals, but ccache isn't merged, does that mean the system is still using ccache, just "under the covers"? Or is an explicit emerge of ccache required for the FEATURE tag to have meaning?
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