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Re: -k reconfigure to slow

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On Wed, 04 Nov 2009 16:39:08 -0300, Guido Marino Lorenzutti
<glorenzutti@xxxxxxxxxxxxxxxx> wrote:
> Sorry, can't help you with the problem. But I have a question instead :)
> 
> Where did you get the ip-user-helper.pl ?
> 
> Tryin' to help... i have also 1k connections, squid 2.7 and it takes  
> that time too... i found that if i reduce the number of helpers it  
> starts up faster.
> 
> I have 180 NTLM, 10 basic, and 75 squid_ldap_group childrens..
> With less, it starts faster.
> 
> If you do squid -k reconfigure and watch the proceess list, you will  
> see that the squid dosen't work until all the childrens are running...  
> it would be great that the squids starts as soon as ONE child per type  
> is running... or to have a minimum childrens, and a maximum childrens...

Hmm, interesting idea that max/min. Thank you.
I'm planning on some alterations for faster performance on helper
startup/restart 'one day'.

Amos

> 
> Sorry for my english, never study :)
> 
> Luis Daniel Lucio Quiroz <luis.daniel.lucio@xxxxxxxxx> escribió:
> 
>> 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
>>>
>>
>> You were right, I was missing DNS, whoever, look, delay is still slow.
>> about
>> 54 sec to reconfigure.  What other think I may change.  This is a
loaded
>> server, with about 1k connections.
>>
>> 2009/11/04 11:15:35| Reconfiguring Squid Cache (version
3.0.STABLE19)...
>> 2009/11/04 11:15:35| FD 76 Closing HTTP connection
>> 2009/11/04 11:15:35| FD 141 Closing ICP connection
>> 2009/11/04 11:15:35| FD 142 Closing HTCP socket
>> 2009/11/04 11:15:35| FD 143 Closing SNMP socket
>> 2009/11/04 11:15:35| Processing Configuration File:
/etc/squid/squid.conf
>> (depth 0)
>> 2009/11/04 11:15:35| Processing Configuration File:  
>> /etc/squid/squid.acl (depth
>> 1)
>> 2009/11/04 11:15:35| WARNING: HTTP requires the use of Via
>> 2009/11/04 11:15:35| Initializing https proxy context
>> 2009/11/04 11:15:35| Store logging disabled
>> 2009/11/04 11:15:35| User-Agent logging is disabled.
>> 2009/11/04 11:15:35| Referer logging is disabled.
>> 2009/11/04 11:15:35| DNS Socket created at 0.0.0.0, port 60779, FD 8
>> 2009/11/04 11:15:35| Adding nameserver 127.0.0.1 from squid.conf
>> 2009/11/04 11:15:35| helperOpenServers: Starting 32/32 'squidGuard'
>> processes
>> 2009/11/04 11:15:51| helperOpenServers: Starting 16/16
'digest_ldap_auth'
>> processes
>> 2009/11/04 11:15:59| helperOpenServers: Starting 32/32
'squid_ldap_group'
>> processes
>> 2009/11/04 11:16:15| helperOpenServers: Starting 32/32
>> 'ip-user-helper.pl'
>> processes
>> 2009/11/04 11:16:31| Accepting  HTTP connections at 0.0.0.0, port  
>> 3128, FD 78.
>> 2009/11/04 11:16:31| Accepting ICP messages at 0.0.0.0, port 3130, FD
>> 143.
>> 2009/11/04 11:16:31| Accepting HTCP messages on port 4827, FD 144.
>> 2009/11/04 11:16:31| Accepting SNMP messages on port 3401, FD 391.
>>

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