and losing the cache swap log just triggers a rebuild. You won't lose the cache, just time. Yes you have to set the swap state directories when using COSS. Adrian On Fri, Dec 07, 2007, Amos Jeffries wrote: > > 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 ?! > > 1) cache_swap_log is obsolete. Its now cache_swap_state to better reflect > the file to which it applies, and that the file is NOT a normal log file. > > 2) Better leave the cache_swap_log/cache_swap_state at defaults (missing > from squid.conf) for squid to handle it safely. > > 3) What Adrian meant was the order of the lines in squid.conf. Not an > actual re-ordering of cache-dir. This is a major reason for #2, so a > re-ordering in the config does not screw up the custom state file > numbering. > > > Amos > > > > > thanks ! > > > > regards > > > > Alexandre > > > > On Dec 6, 2007 8:50 AM, Adrian Chadd <adrian@xxxxxxxxxxxxxxx> 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 > > > -- - Xenion - http://www.xenion.com.au/ - VPS Hosting - Commercial Squid Support - - $25/pm entry-level VPSes w/ capped bandwidth charges available in WA -
