Re: [squid-users] squid freebsd aufs + coss - same hd

rebuild of coss take longer time... about 30 mins to rebuild 6gb (with
configs posted previously)...

correct ?

i will loose my cached files (aufs) if cache_swap_log is set to the
same location of old swap file ?!

thanks !

regards

Alexandre

On Dec 6, 2007 8:50 AM, Adrian Chadd <adrian@creative.net.au> wrote:
> cache_dir's are 'checked' in order; I suggest putting the coss directories
> first.
>
>
>
> adrian
>
>
> On Fri, Dec 07, 2007, Amos Jeffries wrote:
> > Alexandre Correa wrote:
> > >can 2 cache_dir on the same hd (dedicated for squid) cause performance
> > >impact ?
> > >
> > >i?m using cache_dir aufs ... and cache_dir coss (objetcs smaller than
> > >1000k)
> > >
> > >cache_dir aufs /var/spool/squid/cache 110000 32 256
> > >cache_dir coss /var/spool/squid/onda_coss01 6000 max-size=1000000
> > >maxfullbufs=4 membufs=20 block-size=4096
> > >
> > >
> > >thanks !!
> > >
> >
> > Looks good. Just some hints though...
> >
> > You'd do well to set min-size on the AUFS dir, to push the smaller
> > objects into COSS. At present small objects can go to either, and large
> > only in AUFS.
> >
> > A 4KB block-size may cause a lot of watse if you get a large number of
> > small objects such as optimized web pages or spacer images. The default
> > 512 is sufficient for COSS dir up to 8GB large
> > Not worth changing it now though if any important data has already
> > gone to COSS. Would require a destroy and rebuild to fix that.
> >
> > Two on same HDD might drag each other down a little, but no more than a
> > single large cachedir doing the same throughput. Unfortunately squid is
> > not head-optimised for disk usage yet. COSS is more in-memory than the
> > others so it should still be a net gain over a single pure aufs.
> >
> > Amos
>
> --
> - Xenion - http://www.xenion.com.au/ - VPS Hosting - Commercial Squid Support -
> - $25/pm entry-level VPSes w/ capped bandwidth charges available in WA -
>

-- 
Sds.
Alexandre J. Correa
Onda Internet / OPinguim.net
http://www.ondainternet.com.br
http://www.opinguim.net