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From "J. Greenlees" <>
Subject Re: [users@httpd] Max Connections, and processes that won't hang up.
Date Tue, 28 Jan 2003 06:46:48 GMT
Eric Frazier wrote:
> Hi,
> This mod_rewrite discussion has kind of brought up an issue I am having. I
> am using mod_rewrite with 1.x to redirect requests for images to thttpd,  I
> also compiled Apache with a higher Max_Clients,(I forgot what it is called
> exactly, you change that in httpd.h in src/includes) when I run the server
> in real life, it heads straight through the roof, spawns all 750 possible
> processes. If I run http_load to benchmark the server while running on port
> 8080 to keep out the real requests, then things turn out well, it looks like
> it is performing very well in fact. But in real life with a real web browser
> it defiantly is not. It seems like the connections never want to hang up. I
> have had this problem with mod_proxy before where you finish loading a page,
> but the connection doesn't get dropped until it times out. If I get rid of
> the rewrite rules and just server things up with Apache, things work ok, but
> slower than they should.  We are running on a machine with 500M that should
> be able to handle 750 processes with no problem since they are only 1.7M in
> size with about 800K shared. But in anycase we also don't have enough
> traffic to spawn more than about 150. 
> If anyone has any clues on this, I have a lot more detail on what I did at
> work, but I just thought I would post here in case this behavior sounds
> familiar to someone. Another thing I  really can't understand, is the web
> server on this Linux machine has max connections set to 750 but httpd -V
> doesn't show that it was specially compiled. I don't get it! 
> Presents and accolades to anyone who can help.. Very seriously, post card,
> coffee mug, second born child name your price :) 
> Thanks,
> Eric 
> (250) 655 - 9513 (PST Time Zone)
> "Inquiry is fatal to certainty." -- Will Durant 

max requests and max child prosesses and max clients can be set in the 
you don't need to cimpile it in.

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