Re: [squid-users] Squid CPU 100% infinite loop

Two questions -

One, what are in the logs from when this starts?

Two, I forget the *bsd tool, but can you run the appropriate strace / truss / dtrace tool on the process during lockups (ideally, before, through the start of, after)?

George William Herbert
Sent from my iPhone

On May 15, 2013, at 9:35 AM, "loic.blot" <loic.blot_at_unix-experience.fr> wrote:

> Hello,
>
> I have problems with squid 3.3.4. Every 30 minutes (with 300 users), squid goes
> to an infinite loop and freeze all web connections (99.9% CPU used)
>
> Squid is installed under OpenBSD 5.2
>
> Here are my compile options:
>
> Squid Cache: Version 3.3.4 configure options: '--enable-pf-transparent' '--enable-follow-x-forwarded-for' '--with-large-files' '--enable-ssl' '--disable-ipv6' '--enable-esi' '--enable-kill-parent-hack' '--disable-snmp' '--with-pthreads' '--enable-ltdl-convenience' '--enable-auth-basic=none' '--enable-auth-digest=none' '--enable-external-acl-helpers=none'
>
>
> Here is the configuration:
>
> authenticate_ttl 2 hour
> authenticate_ip_ttl 1 hours
> include /etc/squid/squid.acl.conf
> include /etc/squid/squid.http_access.conf
> http_port 3128
> http_port 3129 intercept
>
> hierarchy_stoplist cgi-bin ?
> cache_mem 6800 MB
> maximum_object_size_in_memory 10 MB
> minimum_object_size 2 KB
> maximum_object_size 6 MB
> access_log stdio:/var/log/squid/access.log
> cache_store_log none
> buffered_logs on
> cache_log /var/log/squid/cache.log
> coredump_dir /tmp
> url_rewrite_program /usr/local/bin/squidGuard -c /etc/squidguard/squidguard.conf
> url_rewrite_children 192 startup=150 idle=10 concurrency=0
> # Add any of your own refresh_pattern entries above these.
> refresh_pattern ^ftp: 1440 20% 10080
> refresh_pattern -i (/cgi-bin/|?) 0 0% 0
> refresh_pattern . 0 20% 4320
> quick_abort_min 0 KB
> quick_abort_max 0 KB
> negative_ttl 0 seconds
> positive_dns_ttl 12 hours
> negative_dns_ttl 8 seconds
> connect_timeout 15 seconds
> request_timeout 45 seconds
> persistent_request_timeout 35 seconds
> shutdown_lifetime 3 seconds
> cache_mgr si_at_lan.fr
> mail_from proxy-pl_at_lan.fr
> cache_effective_user _squid
> cache_effective_group _squid
> httpd_suppress_version_string on
> visible_hostname Proxy-PL
> unique_hostname prox1
> hostname_aliases dns.lan.fr
> digest_generation off
> icp_port 0
> allow_underscore on
> dns_retransmit_interval 1 seconds
> dns_timeout 2 seconds
> append_domain .lan.fr
> ipcache_size 10240
> ipcache_low 90
> ipcache_high 95
> fqdncache_size 10240
> client_db off
> maximum_single_addr_tries 2
> balance_on_multiple_ip on
> pipeline_prefetch on
>
>
> Any idea ?
>
> Thanks for advance.
Received on Wed May 15 2013 - 16:51:33 MDT