[squid-users] R: Re: R: Re: problem reload configuration with workers

[Alex Rousskov]

On 09/28/2016 03:44 AM, amaury at tin.it wrote:

> I have used like reference the example backend.conf in 
> /ConfigExamples/SmpCarpCluster

That example configuration contains a combination of SMP-aware and
SMP-unaware caches. In SMP mode, that combination is unsupported and
probably will not work correctly.


> Every swap.state is updated so I suppose that it's working.

Good luck,

Alex.


> ----Messaggio originale----
> Da: 
> rousskov at measurement-factory.com
> Data: 27-set-2016 17.38
> A: <squid-
> users at lists.squid-cache.org>
> Cc: "amaury at tin.it"<amaury at tin.it>
> Ogg: 
> Re: R: Re: [squid-users] problem reload configuration with workers
> 
> On 
> 09/27/2016 03:15 AM, amaury at tin.it wrote:
>> I have resolve my problem 
> changing the workers configuration from:
>>
>> workers 4
>> http_access 
> allow localhost
>> http_port localhost:
>> 400${process_number}
>>
> cache_dir aufs /var/spool/squid 16384 32 512
>>
>> cache_dir rock 
> /var/spool/squid/rock 16384 max-size=32768
>> cache_dir aufs 
> /var/spool/squid/squid-cache0${process_number} 16384 16 512 min-
> size=32769
> 
> The above combination of SMP-aware and SMP-unaware caches 
> is unsupported
> and probably will not work.
> 
> 
>> to
>>
>> workers 4
>>
> http_access allow localhost
>> http_port 
>> localhost:
> 400${process_number}
>> cache_dir rock /var/spool/squid/rock 16384 max-
> size=32768
>>
>> if ${process_number} = 1
>>         cache_dir aufs 
> /var/spool/squid/squid-cache01 16384 16 512 min-size=32769
>> endif
>>
> if 
>> ${process_number} = 2
>>         cache_dir aufs 
> /var/spool/squid/squid-cache02 16384 16 512 min-size=32769
>> endif
>> if 
> ${process_number} = 3 
>>         cache_dir aufs /var/spool/squid/squid-
> cache03 16384 16 512 min-size=32769
>> endif
>> if ${process_number} = 4
> 
>>         cache_dir aufs /var/spool/squid/squid-cache04 16384 16 512 
> min-size=32769
>> endif
> 
> The above is equivalent to
> 
>   workers 4
>   
> http_access allow localhost
>   http_port
>   localhost:
> 400${process_number}
>   cache_dir rock /var/spool/squid/rock 16384 max-
> size=32768
>   cache_dir aufs /var/spool/squid/squid-
> cache${process_number} 16384 ...
> 
> which is still an unsupported 
> combination of SMP-aware and SMP-unaware
> caches that probably will not 
> work.
> 
> BTW, why do you give each worker a dedicated listening port (i.
> e.,
> "400${process_number}")?
> 
> Alex.
> 
> 
>> ----Messaggio originale----
>>
> Da: rousskov at measurement-factory.
>> com
>> Data: 26-set-2016 16.12
>> A: 
> <squid-users at lists.squid-cache.org>
>> Cc: 
>> "amaury at tin.it"<amaury at tin.
> it>
>> Ogg: Re: [squid-users] problem reload 
>> configuration with 
> workers
>>
>> On 09/26/2016 08:02 AM, amaury at tin.it 
>> wrote:
>>
>>> I'm 
> using squid 3.5.21-20160908-r14081 and for the first time 
>> I'm 
>>>
> using workers configuration. I have a problem:
>>> when I reload 
>>
> configuration (via init script)
>>> suid -k reconfigure -f 
>>
> /et/squid/squid.conf
>>
>> I assume that by "suid" you meant "squid". 
> If 
>> yes, then the above
>> command is a correct way to reconfigure 
> Squid, 
>> including SMP Squid.
>>
>>
>>> the system kill squid-coord and 
> squid-disk
>>
>>
>> Does "the system" do more than run "squid -k 
> reconfigure ..."?
>>
>> * If 
>> not, then "the system" does not kill 
> squid-coord and squid-disk
>>
>> (something else does).
>>
>> * If yes, 
> then you should fix your system 
>> script. Perhaps it thinks that
>>
> Squid died and tries to kill/restart it?
>>
>>
>>
>>> So I have to 
> remove pd 
>>> file and lock files and restart squid.
>>>
>> Please, do it 
> exist a solution 
>>> to reload with restart squid?
>>
>>
>>
> Reconfiguration should work "as is". If it does not work, file a bug
>>
> 
>> report with details such as your system command(s) and resulting
>>
> cache.
>> log and syslog output.
>>
>>
>>> I tried also using something 
> like:
>>>
>>>
>> pid_filename /var/run/squid/squid-{proccess_number}.
>>
>>
> Please do not do 
>> that. SMP Squid is designed to work with a single
>>
> configuration file 
>> without SMP macros.
>>
>>
>> Thank you,
>>
>> Alex.
> 
>>
>>
>>
> 
> 
>