Re: [squid-users] Squid loops on epoll/read/gettimeofday

On Mon, 29 Mar 2010 13:58:58 -0300, Marcus Kool
<marcus.kool_at_urlfilterdb.com> wrote:
> I use squid
> Squid Cache: Version 3.0.STABLE20
> configure options: '--prefix=/local/squid' '--with-default-user=squid'
> '--with-filedescriptors=2400' '--enable-icap-client'
> '--enable-storeio=aufs,ufs,null'
> '--with-pthreads' '--enable-async-io=8' '--enable-removal-policies=lru'
> '--enable-default-err-language=English' '--enable-err-languages=Dutch
> English Portuguese'
> '--enable-ssl' '--enable-cachemgr-hostname=localhost'
> '--enable-cache-digests'
> '--enable-follow-x-forwarded-for' '--enable-forw-via-db'
> '--enable-xmalloc-statistics'
> '--disable-hostname-checks' '--enable-epoll' '--enable-useragent-log'
> '--enable-referer-log'
> '--enable-underscores' 'CC=gcc' 'CFLAGS=-O2 -m32' 'CXXFLAGS=-O2 -m32'
>
<snip>
>
> Note that FD 27 and FD 28 have the same NODE.
> This pipe is used for what ???

Something detailed in your cache.log when running at debug level ALL,1
(notices).

>
> The EAGAIN return code to read is strange. It suggest that the
> read() could return data soon, but Squid is looping now for over 4
hours.
>
> Hopefully one of the developers knows what the pipe is used for and
> can do a guess what is causing the EAGAIN return code.

One of the helpers. Can't tell from the trace.

Please also see if this is reproduced with the 3.1 release.

Amos
Received on Mon Mar 29 2010 - 21:16:10 MDT