On Tue, 5 Oct 2010 20:55:31 +0300, Sergiu Tatar wrote: > Hello Amos, i tried squid without "--disable-internal-dns" option and > some website-s sometime it's loading sometimes not. What can be the > problem? thanks Can you point at any specifics that always fail? what your DNS stats are? (squidclient mgr:idns) Amos > > On Tue, Oct 5, 2010 at 1:45 AM, Amos Jeffries wrote: >> On Mon, 4 Oct 2010 20:25:22 +0300, Sergiu Tatar wrote: >>>> Hello... i use Squid 3.0.25 and i have a problem: i can't increase >>>> file descriptors. I have been installed with 'ulimit -HSn 8192' but >>>> it's starting with 1024 fd. The 'max_filedesc' is not recongnized on >>>> squid.conf ... in /etc/init.d/squid i have been put the line >>>> 'ulimit -HSn 8192' ...but it's starting with 8192 fd. >> >> 3.0 also needs to be built with the higher FD limit set before >> ./configure. --with-filedescriptors was supposed to evade that need, but >> seems not to work on all systems. >> >>>> >>>> I tried to use Squid 3.1.4 but performances are slow comparatively >>>> with Squid 3.0.25 >> >> 3.1 is 15-20% faster in basic benchmarking. I'd recommend figuring out >> what the extra slowness is caused by and fixing that. >> The newer version will do 2x DNS lookups than before (AAAA as well as >> A), >> and attempt to connect to IPv6 first. It's likely your connectivity is >> poor >> in one of these two protocols. >> >>>> >>>> OS: Mandriva 2010.0 x86_x64 >>>> Squid : Version 3.0.STABLE25 >>>> configure options: '--enable-cache-digests' '--disable-icmp' >>>> '--disable-delay-pools' '--enable-storeio=ufs,aufs' >>>> '--enable-async-io' '--enable-poll' '--disable-ident-lookups' >>>> '--prefix=/squid' '--enable-removal-policies=heap,lru' >>>> '--with-filedescriptors=8192' '--disable-snmp' >>>> '--enable-linux-netfilter' '--disable-internal-dns' >> >> "--disable-internal-dns" will be part of the slowness problem. It can >> only >> receive one DNS lookup at a time, blocking all requests while it waits >> for >> a response. Unless you have a very good reason to use the old helper >> remove >> this option from your build and use the internal DNS client. >> >> Amos >> >>
