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1
whereray
w3wp.exe cpu 100% in 2003

  • 2005/7/6 14:23

  • whereray

  • Just popping in

  • Posts: 29

  • Since: 2003/4/16


I just move my web site to a win 2003 server. And I find w3wp.exe causes cpu 100% usage and even overheated. The temp solution is to use the app pool to kill process taken over 70% cpu.

I read a lot posts on this and in most of the cases, it points to DB access. It seems some store procedure may make IIS6 busy.

The site is using XOOPS 2.0.3, which is fine in win2k server.

Is this a bug? How to solve it?
2
m0nty
Re: w3wp.exe cpu 100% in 2003

  • 2005/7/6 14:28

  • m0nty

  • XOOPS is my life!

  • Posts: 3337

  • Since: 2003/10/24


try using the latest version of xoops.. that's y updates come out because they make improvements and fixes..

a good site for IIS users would be http://www.iis-resources.com

it's a XOOPS site and is very helpful on all aspects of setting up and running iis% and iiS6, even has a XOOPS specific section on its forum.
3
whereray
Re: w3wp.exe cpu 100% in 2003

  • 2005/7/13 7:56

  • whereray

  • Just popping in

  • Posts: 29

  • Since: 2003/4/16


No, the latest version still has the same problem. I installed a clean 2.0.13 but it still causes cpu usage climbing high.

Any other gurus from XOOPS could look at the problem?
4
alitan
Re: w3wp.exe cpu 100% in 2003

  • 2005/7/13 8:52

  • alitan

  • Quite a regular

  • Posts: 399

  • Since: 2004/3/14


make sure it's not a hardware problem.
My Persian Xoops Project:
http://www.MPXP.org
5
jctsup1
Re: w3wp.exe cpu 100% in 2003

  • 2005/7/13 9:39

  • jctsup1

  • Not too shy to talk

  • Posts: 146

  • Since: 2002/5/23


whereray -

If your CPU is overheating, you've got other issues than IIS 6 / 2003 Server. We had a similar issue on our site and I tracked it dowm to corrupted Newbb indexes.

Install the MySQL Admin Tool that is available from MySQL & launch the app. Now open Task Manager & set it so that programs are listed by CPU Utilization. Now when things start to spike, go over to the MySQL Admin Tool & look at the Server Health & what queries are being executed. My guess is that MySQL is copying data into the temp tables and that is what is casuing the slowdown. If this is what is happening, stop the web site, and optimize & repair all your tables. Now restart IIS. If this doesn't help, post something in our IIS 6 or XOOPS Support forum & we'll give you some other tips on tracking down what is causing the performance issues on your site.

Best regards
Jeffrey C. Tindillier, CIW
Microsoft MVP - IIS
--------------------------------------------
IIS Tips, Tricks & Resources
http://www.iis-resources.com
6
whereray
Re: w3wp.exe cpu 100% in 2003

  • 2005/7/15 5:53

  • whereray

  • Just popping in

  • Posts: 29

  • Since: 2003/4/16


1)it is not a hardware problem
2)Thanks jctsup1, I also suspect it is related to corrupted DB index. I find that the table xoops-session often corrupt and has to be fixed by hand.

BTW, I forgot to mention I am still using MySql 3, so MySqlAdmin won't work with it. I will install the latest MySql and have a try.
7
whereray
Re: w3wp.exe cpu 100% in 2003

  • 2005/8/1 2:15

  • whereray

  • Just popping in

  • Posts: 29

  • Since: 2003/4/16


Problem is finally solved. It is quite strange that several files have Access Denied problem even after reboot. So I create a new folder and set it as web root. Then the problem is gone.

Thanks everybody!!

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