> > > We are using Dell 2850 dual 3.2 Xeon processor, 8 Gig of Physical memory and > 15rpm SCSI disk for caching (no raid). The software is FC 4 64 bit with Squid > 2.5Stable13. Below is the way I complie my Squid: > > --prefix=/usr --exec-prefix=/usr --bindir=/usr/sbin --libexecdir=/usr/lib/squid > --localstatedir=/spool/squid --sysconfdir=/etc/squid --enable-snmp > --enable-kill-parent-hack --enable-delay-pools --enable-storeio=aufs,diskd,null > --enable-removal-policies=heap,lru --enable-arp-acl > > With the above compilation and configuration, proxy is doing well. Now I check > the number of treads, and found out that it has 4. Can we obtain better > performance if we have greater number of treads? Can you please help me to > understand the following: > > --enable-async-io[=N_THREADS] > Shorthand for > --with-aufs-threads=N_THREADS > --with-pthreads > --enable-storeio=ufs,aufs > --with-aufs-threads=N_THREADS > Tune the number of worker threads for the aufs object > store. > --with-pthreads Use POSIX Threads > --with-aio Use POSIX AIO > --with-dl Use dynamic linking > > > note that we are using "aufs" on the cache_dir. > > > - As long , as there are no messages in cache.log concerning ; aio queue congestion; you will need , no more threads. Warning messages , such as these, during SQUID's startup phases , however should not be included in such analysis. M.
