Re: Apache Goes Up and Down : server reached MaxClients setting,

----- Original Message -----
From: "Keith Mastin" <[email protected]>
To: <[email protected]>
Sent: Friday, July 18, 2003 10:35 PM
Subject: Re: Apache Goes Up and Down : server reached MaxClients setting,


>
> Hi Tina,
> >> > I am running RedHat 7.3/Apache/1.3.27 (Unix) mod_log_bytes/1.2
> >> mod_bwlimited/1.0 PHP/4.3.2 FrontPage/5.0.2.2634 mod_ssl/2.8.14
> >> OpenSSL/0.9.6b.
> >> >
> >> > My Apache server goes up and down very frequently. When i checked
> >> the Logs it says :
> >> > [Thu Jul 17 22:28:54 2003] [error] server reached MaxClients
> >> setting, consider raising the MaxClients setting
> >> >
> <snip>
> >> We need more information. How many domains are being served off this
> >> machine, what is the MaxClients, MaxKeepAlive, KeepAliveTimeout, and
> >> MaxRequestsPerChild settings?
> > MaxClients 256
> > MaxKeepAliveRequests 100
> > KeepAliveTimeout 15
> > MaxRequestsPerChild 0
>
> How many domains? The apache defaults are generally good for 1 or 2
> domains but should be performance tweaked beyond that, especially if you
> have high-availability needs. If you have a number of domains, you should
> maybe look into apache-2.x as the resource handling capability has been
> vastly improved and the modules are just about ready for prime time. Check
> the 2.0 mailing lists first to reconnoiter any issues (mostly 3rd party
> module related) that might arise before making the changeover though.
Only One domain on that server with a forum.
>
> Tina, go back and read the docs on configuring apache (the apache docs,
> not the redhat docs). MaxRequestPerChild set to 0 can bring the whole
> system down if you're running a poorly written web app process or module
> that is leaking memory or other resources. What happens if you set this to
> 1000?
Can i set that ?
>
> Also, if you have the memory, try setting the MaxClients to 1000. Check
> top to see the memory usage by each child process first, then do the math.
>
> Are you running an RRS news service or anything else that might have the
> client automatically logging in to get updates off one or more of the
> domains hosted?
Will update you soon when i finished with the checking.
>
> --
> Keith Mastin
> BeechTree Information Technology Services Inc.
> Toronto, Canada
> (416)696 6070
>
>
>
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