R: Randomly Squid stops running for some seconds..

-----Messaggio Originale-----
Da: Darren Steven <dsteven@nettas.telstra.com.au>
A: Tony Martino <T.Martino@tno.it>
Cc: <squid-users@ircache.net>
Data invio: marted� 4 gennaio 2000 22.16
Oggetto: Re: Randomly Squid stops running for some seconds..

> Tony Martino wrote:
>
> > Hi there,
> >
> > I'm currently running Squid 2.2 STABLE 5 on a Pentium II 266 Mhz 128 Mb
RAM,
> > RedHat 6.1. Randomly but very often Squid stops running correctly and
hangs
> > for a few seconds. I recompiled the source without "async-io" but
nothing
> > changed.
> > My configuration directives are the following:
> > --prefix=/usr/local/squid
> > --enable-gnuregex
> > --enable-poll
> > --enable-delay-pools
> >
> > I've also noticed that every time that Squid hangs there is a
"ftpDataRead:
> > read error: (104) Connection reset by peer" in the cache.log. I don't
know
> > if it's a simple coincidence.
> >
> > Any hints?
> >
> > TIA
> >
> > _____________________________________________________
> > Tony Martino
> >
> > Divisione Tecnologie e Sistemi
> > Sistemi Informativi Integrati
> > TECNOPOLIS CSATA Novus Ortus
> > S.p. per Casamassima km 3
> > 70010 - Valenzano (BA) - Italy
> > Tel.:+39-080-4670221
> > Fax.:+39-080-4551868
>
> Can you still telnet to the box? does it have a low CPU utilisation while
hung?
> We had a problem with large sites on slow links to our proxy filling up
the
> incoming syn connect ? queue - we fixed it by increasing by having the
> following in rc.local : echo 256 > /proc/sys/net/ipv4/tcp_max_syn_backlog.
We
> found it by doing a netstat, and seeing a large number of SYN_ACK
connections.
>
> Or could be the delay pools - haven't used them yet.
>
>
>
> --
> Darren Steven
> Applications Specialist
> Networking Tasmania
> Telstra Australia
> Ph.1800 813 302
>
I'll try it. Moreover I've also noticed a big CPU utilisation (95-96%) while
hung. In relation to delay pools I used this feature since squid 2.1
whithout any problem.

Btw thanks for your answer.

Tony Martino.
Received on Wed Jan 05 2000 - 01:21:07 MST