On 02/16/2014 08:05 AM, Dr.x wrote: > i have implemented aufs with rock Please note that such a combination is outside the intended SMP/Rock/aufs use scope. > i had that logs at logs of rock cache.log !!! > > what does that mean ?? Sorry, I do not know what "logs at logs of rock cache.log" means. > i have done the following > > i have 5 hardsisk aufs dir > 2hardsisk rock dir > > i have as below : > > workers 8 > #dns_v4_first on > cpu_affinity_map process_numbers=1,2,3,4,5,6,7,8,9 > cores=2,4,6,8,10,12,14,16,18 > ##################################################################### > if ${process_number} = 4 > include /etc/squid/aufs1.conf > endif > ################################################################### > if ${process_number} = 2 > include /etc/squid/aufs2.conf > endif > ################################################################ > if ${process_number} = 6 > include /etc/squid/aufs3.conf > endif > ################################################################# > if ${process_number} = 7 > include /etc/squid/aufs4.conf > endif > ################################################################# > if ${process_number} = 8 > include /etc/squid/aufs5.conf > endif > =========================================================================== > > each aufs.conf has dir aufs in it. > > but after alll fo that , > i have still low bandwith saving !!!! Your configuration does not share aufs cache_dirs among workers. With all other factors being equal, that would decrease hit ratios compared to the same-total-size cache shared by all workers. > does the errors harmfull > > *Worker I/O push queue overflow: ipcIo7.30506r9 Yes. Your Squid tries to cache more than your disks can handle. See Performance Tuning at http://wiki.squid-cache.org/Features/RockStore HTH, Alex.