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Re: 3.2.5 comm_open: socket failure: (24) Too many open files

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Thanks, Amos, Eliezer! Looks good!

T



On Sun, Dec 30, 2012 at 1:02 AM, Amos Jeffries <squid3@xxxxxxxxxxxxx> wrote:
> On 30/12/2012 9:13 p.m., Tianyin Xu wrote:
>>
>> Yes, I also would like to take a look at the patch!
>
>
> There is no patch. The code has worked that way since at least Squid 3.1.
>
> You can view the two functions here:
> http://bazaar.launchpad.net/~squid/squid/trunk/view/head:/src/tools.cc#L923
>
> * Squid_MaxFD initial value is set from ./configure.
>
> * setMaxFD() gets run on startup to see if the system limit is smaller.
>
> * confguration file gets p
>
> * setSystemLimits() gets run shortly after setMaxFD then Squid logs:
>
> The log message on startup is "With " << Squid_MaxFD << " file descriptors
> available"
>
>
> The only way to identify whether there is a different file FD limit and
> socket FD limit is to wait until sockets fail. Squid watches for those cases
> and "reserves" all the unused FD when failures happen. The log message is
> "Reserved FD adjusted from 100 to 15391 due to failures"
>
>
> Amos
>
>
>
>>
>> Best,
>> T
>>
>> On Sun, Dec 30, 2012 at 12:11 AM, Jackie Zhang
>> <jackie.qq.zhang@xxxxxxxxx> wrote:
>>>
>>> Dear Eliezer,
>>>
>>> Can you show me the code snippet? Perhaps it's not in the current
>>> stable version? because users usually do not pull from trunk but
>>> download the "stable" version from the website.
>>>
>>> t
>>>
>>>
>>> On Sat, Dec 29, 2012 at 11:53 PM, Eliezer Croitoru <eliezer@xxxxxxxxxxxx>
>>> wrote:
>>>>
>>>> There is..
>>>> and squid does that..
>>>> the limit in compilation options just set the settings to this specific
>>>> default which if not available ignored and uses the limit by the system
>>>> and
>>>> it's logged in the cache.log file.
>>>>
>>>> Maybe this function dosnt work well but I'm almost sure it works fine
>>>> since
>>>> it works fine for me.
>>>>
>>>> Eliezer
>>>>
>>>>
>>>> On 30/12/2012 09:21, Tianyin Xu wrote:
>>>>>
>>>>> yes, it's confusing to have two different fd limits, one for squid and
>>>>> one for OS.
>>>>>
>>>>> I wonder is it possible to obtain the system fd limits, and put it in
>>>>> the log message when squid is running out of fds? I think that would
>>>>> solve all these kind of problems.
>>>>>
>>>>> T
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On Sat, Dec 29, 2012 at 3:27 PM, Eliezer Croitoru
>>>>> <eliezer@xxxxxxxxxxxx>
>>>>> wrote:
>>>>>>
>>>>>> Great!
>>>>>> Nice to know that.
>>>>>>
>>>>>>
>>>>>> On 30/12/2012 00:02, 叶雨飞 wrote:
>>>>>>>
>>>>>>>
>>>>>>> ubuntu 10.04 .   and appearently /etc/security/limits.conf is not
>>>>>>> working on it because it doesn;t configure with pam_session.
>>>>>>>
>>>>>>> I just added ulimit -n 65535 in my launch script
>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Eliezer Croitoru
>>>>>> https://www1.ngtech.co.il
>>>>>> sip:ngtech@xxxxxxxxxxxx
>>>>>> IT consulting for Nonprofit organizations
>>>>>> eliezer <at> ngtech.co.il
>>>>>
>>>>>
>>>>>
>>>>>
>>>> --
>>>> Eliezer Croitoru
>>>> https://www1.ngtech.co.il
>>>> sip:ngtech@xxxxxxxxxxxx
>>>> IT consulting for Nonprofit organizations
>>>> eliezer <at> ngtech.co.il
>>
>>
>>
>



-- 
Tianyin XU,
http://cseweb.ucsd.edu/~tixu/



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