Thanks Ok I missed that one. Recompiled. And one more info. Most of the files which are cached are small. (fit into memory) It looks like it didn't help but I will see better tommorw (higher load) I will try to learn how to use strace if it helps. Squid Cache: Version 2.5.STABLE12 configure options: --prefix=/usr --exec_prefix=/usr --bindir=/usr/sbin --sbindir=/usr/sbin --libexecdir=/usr/lib/squid --sysconfdir=/etc/squid --localstatedir=/var/spool/squid --datadir=/usr/share/squid --enable-async-io --with-pthreads --enable-storeio=ufs,aufs,diskd,null --enable-linux-netfilter --enable-arp-acl --enable-removal-policies=lru,heap --enable-epoll --disable-poll --disable-select --enable-carp --with-large-files i386-debian-linux Thx Mike > -----Original Message----- > From: Mike Solomon [mailto:mas63@xxxxxxxxxxx] > Sent: Monday, March 27, 2006 8:28 PM > To: Michal Mihalik > Cc: squid-users@xxxxxxxxxxxxxxx > Subject: Re: squid performance epoll. > 350req/sec 100% cpu > > I would bet that an strace on the master pid would reveal that you > are calling poll, not epoll. > > There are several postings on the list about applying the epoll > patch, but IIRC, you need to explicitly --disable-poll --disable- > select --enable-epoll for it to work. > > -Mike > > On Mar 27, 2006, at 9:09 AM, Michal Mihalik wrote: > > >>> Date: Mon, 27 Mar 2006 17:31:36 +0200 > >>> From: Michal Mihalik <michal.mihalik@xxxxxxxxxxxxx> > >>> To: squid-users@xxxxxxxxxxxxxxx > >>> Subject: squid performance epoll. > 350req/sec 100% cpu > >>> > >>> Hello. > >>> I am tring to optimize squid for best possible performance. > >>> it is in production and it's doing more than 350req/sec. > >> At peaks upto > >>> 500req/sec. > >>> > >>> My problem is only one. 100% cpu. :-) > >>> > >>> I tried to update my debian to 2.6.16 and recompiled squid: > >>> > >>> Squid Cache: Version 2.5.STABLE12 > >>> configure options: --prefix=/usr --exec_prefix=/usr > >> --bindir=/usr/sbin > >>> --sbindir=/usr/sbin --libexecdir=/usr/lib/squid > >> --sysconfdir=/etc/squid > >>> --localstatedir=/var/spool/squid --datadir=/usr/share/squid > >>> --enable-async-io --with-pthreads > >> --enable-storeio=ufs,aufs,diskd,null > >>> --enable-linux-netfilter --enable-arp-acl > >> --enable-removal-policies=lru,heap > >>> --enable-snmp --enable-delay-pools --enable-htcp --enable-epoll > >>> --enable-cache-digests --enable-underscores --enable-referer-log > >>> --enable-useragent-log --enable-auth=basic,digest,ntlm > --enable-carp > >>> --with-large-files i386-debian-linux > >>> > >>> the thing I realy don't like is 25% cpu + 50% system cpu . > >>> > >>> why the 50% system!!!!! > >>> can anyone help? > >>> > >>> Kind Regards > >>> Michal Mihalik > >>> > >>> > >> > > > > >
