> -----Original Message----- > From: Tomasz Kolaj [mailto:admin@xxxxxx] > Sent: Saturday, January 28, 2006 10:01 AM > To: Chris Robertson > Subject: Re: low squid performance? > > > Dnia czwartek, 23 lutego 2006 01:11, napisałeś: > > > > > * High latency clients > > > > > > What do you mean "high latecy clients"? > > > > The majority of my customers have a network path like: > > > > client->squid->satellite->squid->internet > > many of my clients: client->[radio line > {12,34,54}mbps]->squid->internet > > > 100 requests/second put my CPU usage in the high 80s (on a > > 32 bit Intel > > Xeon 3.00GHz). > > So my result isn't so bad. But I must tune squid to maximum possible > performance. With epoll, 100 Req/sec puts my CPU at 23%. It made a huge difference. > > > > > > aragorn squid # squid -v > > > Squid Cache: Version 2.5.STABLE12 > > > configure options: --prefix=/usr --bindir=/usr/bin > > > --exec-prefix=/usr > > > --sbindir=/usr/sbin --localstatedir=/var --mandir=/usr/share/man > > > --sysconfdir=/etc/squid --libexecdir=/usr/lib/squid > > > --enable-auth=basic,digest,ntlm --enable-removal-policies=lru,heap > > > --enable-linux-netfilter --enable-truncate --with-pthreads > > > --enable-epool > > > > Hopefully that's just a misspelling. ;o) > > Why?;) I did some wrong? > I'm testing epool patch like you said;> > > > > --disable-follow-x-forwarded-for --host=x86_64-pc-linux-gnu > > > --disable-snmp > > > --disable-ssl --enable-underscores > > > --enable-storeio='diskd,coss,aufs,null' > > > --enable-async-io > > ah.. async-io, mayby better will be to specify number of > async-io threads? Try anything once. :o) > > > I don't see any other likely problems (not saying there aren't any). > Is chance to do something morre with hardware? I can add more > memory banks or > hard discs (for example +2 wd raptors) More memory and more spindles (drives) certainly won't hurt, but you seem to be CPU limited. Taking care of that problem will likely net you the best improvement. > > Regards, > -- > Tomasz Kolaj > Chris
