Re: CPU usage

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Apache was fine, until school started when more students started using the web server.  There's just an over abundance of Apache processes in a TIME_WAIT state when you do a "netstat -na".  What parameters in apache do you recommend I look into, the keepalive settings, maxclient settings.  The memory on the system not an issue, its just the CPU usage.

On 9/5/07, Jeff Beard <jeffb@xxxxxxxxxxxxx> wrote:

Hi there,

 

I disagree with your assessment of the problem. You haven't provided any information that would clearly indicate to me that there's an issue with Apache performance. I recommend looking at the application and database first. Especially if, for example, things were fine last week but this week there's a resource problem. That would indicate to me that you should examine changes made to the application and database in the interim.

 

Sorry I can't help more but I think there's more analysis to do before we can make a call on what the problem is much less offer advice on fixing it.

 

 

Cheers,

 

Jeff

 

From: Kory Wheatley [mailto:wheakory@xxxxxxxxx]
Sent: Wednesday, September 05, 2007 12:27 PM
To: users@xxxxxxxxxxxxxxxx
Subject: CPU usage

 

Our apache server is utilizing the CPU to almost a 100% with 45 httpd process opened.  What sort of tuning could be done to help this situation.  

The Apache server is using Moodle, PHP, and Mysql.  The Apache server is on a dedicated V440 with 4 processors and 16 gb of memory.  The Mysql database is on a different system identical to the one explained, so it's not like its on a system that can handle Apache

I think it's an Apache tuning issue, but I'm not sure where to start.  I thought about raising the number of startup server process.



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