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Re: -k reconfigure to slow

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Le mardi 3 novembre 2009 22:50:58, Amos Jeffries a écrit :
> Luis Daniel Lucio Quiroz wrote:
> > HI squids,
> >
> > We have 2 squid server, one with load other with minimal (1-2 users). 
> > After doing a -k reconfigure, the loaded server delays 40 seconds, but
> > unloaded 2 seconds. Look:
> >
> > Unloaded:
> > 2009/11/03 19:01:14| Processing Configuration File: /etc/squid/squid.conf
> > (depth 0)
> > 2009/11/03 19:01:14| Processing Configuration File: /etc/squid/squid.acl
> > (depth 1)
> > 2009/11/03 19:01:14| WARNING: HTTP requires the use of Via
> > 2009/11/03 19:01:14| Initializing https proxy context
> > 2009/11/03 19:01:14| Store logging disabled
> > 2009/11/03 19:01:14| User-Agent logging is disabled.
> > 2009/11/03 19:01:14| Referer logging is disabled.
> > 2009/11/03 19:01:14| DNS Socket created at 0.0.0.0, port 49328, FD 8
> > 2009/11/03 19:01:14| Adding nameserver 127.0.0.1 from /etc/resolv.conf
> > 2009/11/03 19:01:14| Adding domain sat.gob.mx from /etc/resolv.conf
> > 2009/11/03 19:01:14| Adding domain insys-corp.com.mx from
> > /etc/resolv.conf 2009/11/03 19:01:14| helperOpenServers: Starting 32/32
> > 'squidGuard' processes 2009/11/03 19:01:15| helperOpenServers: Starting
> > 16/16 'digest_ldap_auth' processes
> > 2009/11/03 19:01:15| helperOpenServers: Starting 32/32 'squid_ldap_group'
> > processes
> > 2009/11/03 19:01:15| helperOpenServers: Starting 32/32
> > 'ip-user-helper.pl' processes
> 
> Wow! thats a LOT of helper processes for 2 users.
> 
> They start fast enough though.
> 
> > 2009/11/03 19:01:16| Accepting  HTTP connections at 0.0.0.0, port 3128,
> > FD 57. 2009/11/03 19:01:16| Accepting ICP messages at 0.0.0.0, port 3130,
> > FD 122. 2009/11/03 19:01:16| Accepting HTCP messages on port 4827, FD
> > 123. 2009/11/03 19:01:16| Accepting SNMP messages on port 3401, FD 124.
> >
> > Loaded:
> > 2009/11/03 18:59:05| Processing Configuration File: /etc/squid/squid.conf
> > (depth 0)
> > 2009/11/03 18:59:05| Processing Configuration File: /etc/squid/squid.acl
> > (depth 1)
> > 2009/11/03 18:59:05| WARNING: HTTP requires the use of Via
> > 2009/11/03 18:59:05| Initializing https proxy context
> > 2009/11/03 18:59:05| Store logging disabled
> > 2009/11/03 18:59:05| User-Agent logging is disabled.
> > 2009/11/03 18:59:05| Referer logging is disabled.
> > 2009/11/03 18:59:05| DNS Socket created at 0.0.0.0, port 35507, FD 8
> > 2009/11/03 18:59:05| Warning: Could not find any nameservers. Trying to
> > use localhost
> > 2009/11/03 18:59:05| Please check your /etc/resolv.conf file
> > 2009/11/03 18:59:05| or use the 'dns_nameservers' option in squid.conf.
> 
> Oops! major problem with DNS on this server.
> 
> > 2009/11/03 18:59:05| helperOpenServers: Starting 32/32 'squidGuard'
> > processes 2009/11/03 18:59:17| helperOpenServers: Starting 16/16
> > 'digest_ldap_auth' processes
> > 2009/11/03 18:59:23| helperOpenServers: Starting 32/32 'squid_ldap_group'
> > processes
> > 2009/11/03 18:59:34| helperOpenServers: Starting 32/32
> > 'ip-user-helper.pl' processes
> > 2009/11/03 18:59:47| Accepting  HTTP connections at 0.0.0.0, port 3128,
> > FD 57. 2009/11/03 18:59:47| Accepting ICP messages at 0.0.0.0, port 3130,
> > FD 122. 2009/11/03 18:59:47| Accepting HTCP messages on port 4827, FD
> > 123. 2009/11/03 18:59:47| Accepting SNMP messages on port 3401, FD 124.
> > 2009/11/03 18:59:47| Pinger socket opened on FD 126
> > 2009/11/03 18:59:47| Configuring Parent 127.0.0.1/8080/7
> > 2009/11/03 18:59:47| Configuring Parent 10.10.50.232/8080/7
> >
> > I wonder to know if there is a way i can speed this up.
> 
> An old rule-of-thumb in computing is to start with the first reported
> problem and see how many of the following disappearr
> 
> For you that is as Squid suggests "Please check your /etc/resolv.conf
>  file".
> 
> The slow server seems to have no DNS servers available. This could be
> causing any kind of problems for the helpers later on. All of the extra
> delay is during the startup process of the helpers.
> 
> Amos
> 
Thanx Amos,
I'll review dns settings, but as far as I remember, dns settings are in 
squid.conf (i dont remember why we have this).

LD


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