On Thu, 12 Jan 2012 21:37:27 -0600, Joe Ennis <[email protected]> wrote:
On Thu, 12 Jan 2012 19:11:54 -0800
Garrett Cooper <[email protected]> wrote:
On Thu, Jan 12, 2012 at 5:52 PM, Doug Barton <[email protected]>
wrote:
>
>>> chflags -R noschg /usr/obj/usr
>>> rm -rf /usr/obj/usr
>
> It's much faster to do:
>
> /bin/rm -rf ${obj}/* 2> /dev/null || /bin/chflags -R 0 ${obj}/* &&
> /bin/rm -rf ${obj}/*
Thanks of the tip! Should this be run from inside /usr/src or does it
matter?
+1. And it's faster yet when you can run parallel copies of rm on
different portions of the directory tree (e.g. xargs, find [..] -exec)
as rm is O(n).
Cheers,
-Garrett
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What I've been doing just before I do a make buildworld/buildkernel
is:
mdmfs -s2g md1 /usr/obj
on a clean /usr/obj . If I need to recompile before a boot, just umount
and recreate.
Provides a little performance boost too.
Regards,
That's a nifty little tip. I may try that next time.
--
Andre Goree
[email protected]
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