Re: [gentoo-amd64] Re: System becomes almost unusable when compling c++ code

[Richard Freeman <rich@thefreemanclan.net>]

[-- Attachment #1: Type: text/plain, Size: 955 bytes --]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Duncan wrote:
> If you have lots of memory (2 gigs or better, 4 gigs is nice, I have 8 
> but that's overkill), strongly consider setting up your PORTAGE_TMPDIR 
> (/var/tmp by default) on tmpfs.  

Actually, as long as you have enough swap your RAM doesn't really
matter.  In the worst case it just swaps to disk, which is what it would
be doing anyway if you didn't have a tmpfs.  Even if only 10% of the
short-lived files didn't make it to disk it would be a huge savings in
IO waits.

Also, consider using ionice (from schedutils I think) - it lets you
schedule IO the way nice schedules CPU.  It can have a big impact if you
have a lot of disk churn.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.7 (GNU/Linux)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org

iD8DBQFGszhsG4/rWKZmVWkRAhwIAKCMAIhQqVaaPrHi3IIbigc3tpVHSQCgtsEg
HDrQL97HsW8c5NmVKy+24jc=
=tmSA
-----END PGP SIGNATURE-----

[-- Attachment #2: S/MIME Cryptographic Signature --]
[-- Type: application/x-pkcs7-signature, Size: 4101 bytes --]