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  1. #1
    Join Date
    Aug 2006
    Location
    Canada
    Posts
    287

    w3wp.exe in task manager consuming 100% cpu usage

    I am facing memory usage problem wiht IIS Application pool service W3wp.exe which is consuming 100% cpu usage (windows 2k3).
    The memory goes to normal once I restart IIS, but what is the permanent solution for this problem.????.
    Any advise would be appreciated. Thank you

  2. #2
    Join Date
    Mar 2005
    Location
    Athens, Greece
    Posts
    1,528
    Probably there is a busy site and/or conflict with another service?

    Here is an article of Microsoft - it may be helpful

    http://www.microsoft.com/technet/com.../iisi1104.mspx

    Also found these:

    http://www.issociate.de/board/post/2...sage_100_.html

    http://dotnetfreak.co.uk/blog/archiv...02/15/244.aspx

  3. #3
    Join Date
    Jun 2002
    Location
    Waco, TX
    Posts
    5,292
    Sounds like a couple possible things:
    1. Bad ASP code
    2. Metabase corruption
    3. Most likely, MS Access database with ASP code that is consuming all the cpu.

  4. #4
    Join Date
    Dec 2003
    Location
    Pakistan
    Posts
    343
    You can distribute each website into a separate application pool and use Process Explorer from sysinternals.com to find out which process/pool is eating up most of the resources.

    It could be due to loose coding or a loop.
    Muhammad Waseem
    Inspedium Corporation (Pvt) Ltd.
    InsPanel - Hosting Control Panel for Windows 2000/2003

  5. #5
    Join Date
    Apr 2005
    Location
    Cochin
    Posts
    2,446
    also try the netstat -n command to check whether there is DOS to the server ..the most probable reason is a bad site using the resources in the server. The solution is

    1. Create a new application pool
    2. Assign each website to one one application pool
    3. Make sure new application pool user is created for each website as it would help you in tracking down the 'bad man'

  6. #6
    Join Date
    Jun 2001
    Location
    Denver, CO
    Posts
    3,301
    Use debug diag tools for IIS to take a memory dump of your w3wp.exe processes and then analyze them for crash/hang issues.

    http://www.microsoft.com/downloads/d...DisplayLang=en
    Jay Sudowski // Handy Networks LLC // Co-Founder & CTO
    AS30475 - Level(3), HE, Telia, XO and Cogent. Noction optimized network.
    Offering Dedicated Server and Colocation Hosting from our SSAE 16 SOC 2, Type 2 Certified Data Center.
    Current specials here. Check them out.

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