104: Connection reset by peer

[B.R.]

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.

​M​y 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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