Re: [gentoo-dev] Performance Apache/PHP / PHP-Problem

[Benjamin Podszun <ben@galactic-tales.de>]

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Thanks.. Stupid me, I should've formatted it before I ask for help.
But I'm really quite annoyed already.. I cannot find any difference
between the Debian Installation that worked for about a year and this
Gentoo 1.4 . I'm sure I made a mistake somewhere, but I've no idea where
to start the search.

KeepAlive is already disabled.
The "W" states that it is currently responding to a request, right? I
used KeepAlive before, but a keepalive-State would be a "K" in the
"M"-Column.

PHP connections can only be persistant for Databases, afaik?
However: We don't use persistant connections and I just disabled them
completely.

No ideas what else I could turn off right now. :(

On Wed, 2003-04-16 at 11:29, Robin H.Johnson wrote:
> On Wed, Apr 16, 2003 at 10:57:09AM +0200, Benjamin Podszun wrote:
> > I posted my Apache problems before and I think I found the root cause
> > now. I have a nntp2web-gateway as forum and the nntp-server regularly
> > reaches a high load because of some other applications.
> > The server still accepts connections, but feeds more or less a "wait a
> > moment" to my webserver..
> 
> > First problem for me: Gentoo's mod_php isn't build with
> > --enable-memory-limit. I needed that to solve some of my performance
> > problems and I think it should be used by default, since one can set the
> > limit in the php.ini.
> Ok, I'll at this in shortly.
> 
> > Second problem: I seem to miss something here.. My php-scripts won't
> > stop receiving data in spite of my self-made memory-limit-aware mod_php.
> > I get funny thinks like this with apachectl fullstatus:
> >  Srv PID Acc M CPU SS Req Conn Child Slot Client VHost Request
> >    0-0 24732 0/9710/9710 W 255.39 48435 0 0.0 12.94 12.94 217.82.173.211
> >    galactic-tales.4players.de GET /nntp2web/thread.php?group=rpg
> > HTTP/1.1
> You have misread the columns.
> 
> Align the columns better or look at the web version "http://localhost/server-status" in a table capable browser.
> Srv     PID     Acc         M   CPU     SS      Req     Conn    Child   Slot    Client          VHost   ...
> 0-0     24732   0/9710/9710 W   255.39  48435   0       0.0     12.94   12.94   217.82.173.211  galactic-tales.4players.de ...
> 
> The ~50 you see is NOT the size, it's the time in seconds since the last
> request. The 'W' shows that the request is still open, so that IS a
> serious issue. I would turn off keepalives + persistant connections in
> apache/php totally. There is minimal performance gain with them in PHP
> anyway. The '12.94Mb' for the Child column is how much that Apache child
> process has transfered over its lifetime.
> 9170 connections and 12.94Mb is quite low traffic.

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