Re: [squid-users] Very slow initial reply

Hello.
Thanks for your reply.
DNS was also my first thought, but what surprises me is that on the same server, nginx or direct are ok, but squid takes almost a minute. Also nslookup and dig work fast.
And this happens everytime. But i'll look for DNS failures on the server
Anyone has any other idea?

Bruno Guerreiro
DMSI/IT
Instituto Nacional de Estatística
Tel: 218440448 - Ext: 1657

----- Original Message -----
> From: "Eliezer Croitoru" <eliezer_at_ngtech.co.il>
> To: squid-users_at_squid-cache.org
> Sent: Wednesday, 27 August, 2014 7:28:57 AM
> Subject: Re: [squid-users] Very slow initial reply
>
> I have looked at the domain NS and it seems that 2 out of 4 are not
> responsive at all.
> If you are interested in clearing out the issue and more advanced dns
> related issues you can try bind-users_at_lists.isc.org list.
>
> In the above list there are many dns administrators that can help and
> consult you on the next step to make the issue one of two:
> - gone(fixed locally)
> - fixed(fixed by the ns servers admins)
>
> Eliezer
>
> On 08/26/2014 09:20 PM, Cassiano Martin wrote:
> > On my squid box it shows DNS failure.
> >
> > 014/08/26 15:15:09.243 kid1| ModEpoll.cc(139) SetSelect: FD 8, type=1,
> > handler=1, client_data=0, timeout=0
> > 2014/08/26 15:15:09.243 kid1| dns_internal.cc(1362) idnsRead:
> > idnsRead: FD 8: received 55 bytes from 127.0.0.1:53
> > 2014/08/26 15:15:09.243 kid1| dns_internal.cc(1169) idnsGrokReply:
> > idnsGrokReply: QID 0xf689, -2 answers
> > 2014/08/26 15:15:09.244 kid1| dns_internal.cc(1234) idnsGrokReply:
> > idnsGrokReply: error Server Failure: The name server was unable to
> > process this query. (2)
> > 2014/08/26 15:15:09.244 kid1| dns_internal.cc(1092) idnsCallback:
> > Merging DNS results www.lusitania.pt A has 3 RR, AAAA has -2 RR
> > 2014/08/26 15:15:09.244 kid1| dns_internal.cc(1125) idnsCallback:
> > Sending 3 (OK) DNS results to caller.
> > 2014/08/26 15:15:09.244 kid1| ipcache.cc(498) ipcacheParse:
> > ipcacheParse: 3 answers for 'www.lusitania.pt'
> > 2014/08/26 15:15:09.244 kid1| ipcache.cc(556) ipcacheParse:
> > ipcacheParse: www.lusitania.pt #0 212.55.134.4
> > 2014/08/26 15:15:09.244 kid1| ipcache.cc(556) ipcacheParse:
> > ipcacheParse: www.lusitania.pt #1 62.28.187.7
> > 2014/08/26 15:15:09.245 kid1| client_side_request.cc(546)
> > hostHeaderIpVerify: validate IP 62.28.187.7:80 non-match from Host: IP
> > 212.55.134.4
> > 2014/08/26 15:15:09.245 kid1| client_side_request.cc(541)
> > hostHeaderIpVerify: validate IP 62.28.187.7:80 possible from Host:
> >
> >
> > Thanks
> >
> > 2014-08-26 14:32 GMT-03:00 Bruno Guerreiro <bruno.guerreiro_at_ine.pt>:
> >> Hello.
> >> Some of our user are complaning about very slow access to some sites.
> >> After some tests i've noticed that the time between squid receiving the
> >> request, and actually connecting to the site itself is very high. After
> >> this wait all the objects in the page are fetch rather quickly.
> >> I've tried upgrading to 3.4 but the issue persists. No auth in place, and
> >> the Squid server is connected to internet via full nat.
> >> Connecting directly from the server ou via some other proxy software, like
> >> nginx, works perfectly.
> >> Here are some of the sites (this are portuguese insurance companies):
> >> www.nseguros.pt
> >> www.lusitania.pt
> >> www.logo.pt
> >>
> >> Any ideas?
> >> Thanks in advance.
> >> Bruno Guerreiro
> >> DMSI/IT
> >> Instituto Nacional de Estatística
> >> Tel: 218440448 - Ext: 1657
> >>
> >> Bruno Guerreiro
> >> DMSI/IT
> >> Instituto Nacional de Estatística
> >> Tel: 218440448 - Ext: 1657
> >>
> >>
> >>
> >> "Confidencialidade: Esta mensagem (e eventuais ficheiros anexos) é
> >> destinada exclusivamente às pessoas nela indicadas e tem natureza
> >> confidencial. Se receber esta mensagem por engano, por favor contacte o
> >> remetente e elimine a mensagem e ficheiros, sem tomar conhecimento do
> >> respectivo conteúdo e sem reproduzi-la ou divulgá-la.
> >>
> >> Confidentiality Warning: This e-mail message (and any attached files) is
> >> confidential and is intended solely for the use of the individual or
> >> entity to whom it is addressed. lf you are not the intended recipient of
> >> this message please notify the sender and delete and destroy all copies
> >> immediately."
>
>
"Confidencialidade: Esta mensagem (e eventuais ficheiros anexos) � destinada exclusivamente �s pessoas nela indicadas e tem natureza confidencial. Se receber esta mensagem por engano, por favor contacte o remetente e elimine a mensagem e ficheiros, sem tomar conhecimento do respectivo conte�do e sem reproduzi-la ou divulg�-la.

Confidentiality Warning: This e-mail message (and any attached files) is confidential and is intended solely for the use of the individual or entity to whom it is addressed. lf you are not the intended recipient of this message please notify the sender and delete and destroy all copies immediately."
Received on Wed Aug 27 2014 - 08:50:25 MDT