104: Connection reset by peer

[ron ramos]

Hi B.R.

To answer your question i'm only sending max 10 connection to NGINX on my
load balancer. and even if i took it out of the load balancer
and there is only me accessing the server, it still happens. thanks!

Regards,
Ron




On Wed, May 8, 2013 at 8:11 PM, B.R. <reallfqq-nginx at yahoo.fr> wrote:

> Do you have some information on the number of concurrent connections?
> Since you already played with the 'max_requests' parameter too, it seems
> not to be the reason of the trouble. But better be safe than sorry.
>
> If your actual number of connections/second is greater than what the
> configuration is expecting then you'll have your answer. But you don't
> provide information allowing to decide on this, and it seems you tried
> blind changes only.
> Could you provide your input requests rate?
> ---
> *B. R.*
>
>
> On Wed, May 8, 2013 at 7:58 AM, ron ramos <nhadie at gmail.com> wrote:
>
>> hi,
>>
>> i've seen that info as well  ( yes i tried searching for answers as
>> mentioned )  and it did not help me unfortunately.
>> i've increased from 500 to 1000 to 10000. increase children servers etc.
>>
>> regards,
>> ron
>>
>>
>> On Wed, May 8, 2013 at 7:42 PM, B.R. <reallfqq-nginx at yahoo.fr> wrote:
>>
>>> After a very long search on Google (almost 15s, including keyboard
>>> input), I found astonishing help, based on the information you provided.
>>>
>>> About the FPM children burying, I found a resource on StackOverflow
>>> linking back to the Nginx forum (ML archive):
>>>
>>> http://stackoverflow.com/questions/2551185/tons-of-fpm-children-bury-in-php-fpm-log-php-5-2-13php-fpm-0-5-13-nginx-0
>>>
>>> It seems, at first glance, that the children bury and its respawn works
>>> as intended, if you reach the requests limit number. I dunno how to check
>>> that is the case though. Your log entries seem to be silent about that.
>>>
>>> My 2 cents,
>>> ---
>>> *B. R.*
>>>
>>>
>>> On Wed, May 8, 2013 at 7:29 AM, ron ramos <nhadie at gmail.com> wrote:
>>>
>>>>
>>>> Hi All,
>>>>
>>>> I understand that this is a generic error, but it has been frustrating
>>>> trying to solve this issue and i'm not able to find an answer anywhere.
>>>> basically i have an application which is running fine using apache, but we
>>>> wanted to try nginx/php5-fpm:
>>>>
>>>> some parts of my application has this connection reset issue, sometimes
>>>> it works but inconsistent.
>>>> if it does not work, i restart php5-fpm and it will work again, but
>>>> after sometime it will have the same issue.
>>>>
>>>> i'm using:
>>>>
>>>> # nginx -v
>>>> nginx version: nginx/1.4.0
>>>>
>>>> # php5-fpm -v
>>>> PHP 5.4.14-1~precise+1 (fpm-fcgi) (built: Apr 11 2013 17:18:51)
>>>> Copyright (c) 1997-2013 The PHP Group
>>>> Zend Engine v2.4.0, Copyright (c) 1998-2013 Zend Technologies
>>>>
>>>> when i enable debug this is the only thing i can see;
>>>>
>>>> [08-May-2013 18:08:32.545758] DEBUG: pid 358359, fpm_got_signal(), line
>>>> 72: received SIGCHLD
>>>> [08-May-2013 18:08:32.545884] WARNING: pid 358359, fpm_children_bury(),
>>>> line 252: [pool legacy] child 358423 exited with code 3 after 342.958315
>>>> seconds from start
>>>> [08-May-2013 18:08:32.548943] NOTICE: pid 358359, fpm_children_make(),
>>>> line 421: [pool legacy] child 359398 started
>>>> [08-May-2013 18:08:32.549023] DEBUG: pid 358359, fpm_event_loop(), line
>>>> 411: event module triggered 1 events
>>>>
>>>>
>>>> i have tried different config changes like using static instead of
>>>> dynamic..increase max_request..increase child ...increase server..etc.
>>>>
>>>> one thing i really need is to identify what is causing that connection
>>>> peer but logs is not really helping. i tried strace and it still did not
>>>> show me anything.
>>>>
>>>> any other way to debug or identify what is causing this issue? totally
>>>> clueless right now.
>>>>
>>>> thank you in advanced.
>>>>
>>>> Regards,
>>>> Ron
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
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>>>
>>>
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