Overwhelming a Web Application Server -- WEB400

Subject: Overwhelming a Web Application Server
From: Nathan Andelin <nandelin@xxxxxxxxx>
Date: Tue, 23 Jun 2009 12:11:06 -0700 (PDT)
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At the stroke of midnight, one of our state universities opens their course registration system to the Internet, and within a matter of minutes the entire system slows to a snail's pace as eager students flood servers with course registration queries & requests for fall classes.

The problem with an overwhelmed system is that nobody gets anything done under the burden of resource contention. Is anyone dealing with problems like this? What stragegies work? Restricting Apache ThreadsPerChild? Reducing the KeepAliveTimeout? Configuring session limits?

Nathan.

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Follow-Ups:

Re: Overwhelming a Web Application Server , Mike Cunningham
Re: Overwhelming a Web Application Server , Thorbjoern Ravn Andersen
Re: Overwhelming a Web Application Server , Walden H. Leverich

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