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Date: Mon, 27 Oct 2014 16:37:16 +0300
From: Andrey Repin <anrdaemon AT yandex DOT ru>
Reply-To: cygwin AT cygwin DOT com
Message-ID: <233270457.20141027163716@yandex.ru>
To: "Gery ." <gamejihou AT hotmail DOT com>, cygwin AT cygwin DOT com
Subject: Re: 6 times httpd2 & 6 times postgres
In-Reply-To: <DUB124-W25112CC3A5C217D635FB87B09E0@phx.gbl>
References: <DUB124-W25112CC3A5C217D635FB87B09E0 AT phx DOT gbl>
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Greetings, Gery .!

> When I start apache2 ('apachectl2 start'), this appears in /var/log/apache2/error_log:

> [Mon Oct 27 12:28:26 2014] [warn] Init: Session Cache is not configured [hint: SSLSessionCache]
> [Mon Oct 27 12:28:39 2014] [notice] Digest: generating secret for digest authentication ...
> [Mon Oct 27 12:28:39 2014] [notice] Digest: done
> [Mon Oct 27 12:28:41 2014] [notice] Apache/2.2.29 (Unix) mod_ssl/2.2.29
> OpenSSL/1.0.1j DAV/2 PHP/5.5.18 configured -- resuming normal operations

> and 'ps -a | grep httpd2' gives (a similar call displayed 6 times):

>      5644    6064    6064       5644  ?       1001 12:31:13 /usr/sbin/httpd2
>      6064       1    6064       6064  ?       1001 12:31:11 /usr/sbin/httpd2
>      3084    6064    6064       3084  ?       1001 12:31:13 /usr/sbin/httpd2
>      5204    6064    6064       5204  ?       1001 12:31:12 /usr/sbin/httpd2
>      4088    6064    6064       4088  ?       1001 12:31:12 /usr/sbin/httpd2
>      4388    6064    6064       4388  ?       1001 12:31:13 /usr/sbin/httpd2

> When I stop apache2 ('apachectl2 stop'), this appears in /var/log/apache2/error_log:

> [Mon Oct 27 12:29:24 2014] [notice] caught SIGTERM, shutting down
> [Mon Oct 27 12:29:25 2014] [notice] seg fault or similar nasty error detected in the parent process

> I have two questions:
> 1. The "seg fault or similar nasty error detected in the parent process"
> message represents a problem? if yes, how do I solve it?

Yes, it represent a problem. Either in signal handling or the application
itself.

> 2. Why ps -a displays 6 times a similar call with httpd2 and postgres? is that the normal behavior?

That's how Apache works in prefork mode. No idea about postgres, but likely
the case is the same.


--
WBR,
Andrey Repin (anrdaemon AT yandex DOT ru) 27.10.2014, <16:36>

Sorry for my terrible english...