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From Victor Tsang <vic...@outblaze.com>
Subject Re: [users@httpd] Intermittent Load Problems
Date Tue, 29 Jul 2003 10:53:29 GMT
Could it by the mysql server?  do a strace on your httpd process and see
what is tieing them up.

Tor.

Dale wrote:
> 
> I have been experiencing an intermittent problem with a Red hat Linux
> server running apache 1.3.27
> 
> What I notice is that whenever a PHP/Mysql site (so it seems) the server
> fails to respond, timeout, to future HTTP requests.  A few minutes (~10)
> later everything is ok.  A reload of the HTTPD process will fix the
> problem.  The server is not under high load, <250 concurrent
> connections.
> 
> No noticeable errors in Mysql Logs
> No noticeable errors in httpd log
> 
> A TCPDUMP shows incoming http requests but no response from server.
> Changed NICS, Cable, and switch port
> 
> Other network applications work fine on server.
> About 200 sites on this server.
> 
> Apache config
> -------------
> ServerType standalone
> ServerRoot "/usr/local/apache"
> PidFile /usr/local/apache/logs/httpd.pid
> ScoreBoardFile /usr/local/apache/logs/httpd.scoreboard
> Timeout 300
> KeepAlive Off
> MaxKeepAliveRequests 300
> KeepAliveTimeout 15
> MinSpareServers 16
> MaxSpareServers 50
> StartServers 10
> MaxClients 256
> MaxRequestsPerChild 10000
> 
> Hardware/Software
> -----------------
> Apache 1.3.27
> Redhat Linux 2.4.18-3smp
> Compaq Hardware
> Php 4.2.3
> Mysql 3.23.55
> 
> Thanks in advance,
> 
> Dale
> 
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