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

I Forget to precise: access.log and cache.log doesn't reveal anything.

Loic Blot

Le 15 mai 2013 à 18:51, George Herbert <george.herbert_at_gmail.com> a écrit :

> 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 - 17:23:42 MDT