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    gallerydavid
    Joined: Eons Ago
    # Posts: 6

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    Posted: 2004-Oct-28 16:48
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    Please Help.

    I got this email from my webhost last night. This is very bad news for us, has anybody else encountered this problem and is there a solution???

    "This site for some reason has started spiking the server its on and taking
    >the CPU up 4X and using 39% of the CPU resources on the server. We had to
    >disable it so the server wouldn't go down."


    Yikes, this site is our main source of Income! Please Advise!


    David



    bhartzer
    Staff
    Joined: Jun 08, 2000
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    Posted: 2004-Oct-28 18:03
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    How many hits/pageviews are you getting?

    Check your log files to see if there's one particular user/ip address constantly hitting your server. It could be that one of the search engine spiders is stuck crawling your site or you are just getting a lot of hits. If it's one particular IP address you can block that IP address and take care of the problem.

    Your log files should tell you the answer--and your website statistics that use your log files as the data.



    squirrel
    Joined: Eons Ago
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    Posted: 2004-Oct-29 15:25
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    Good idea bhartzer. The logs never lie : )

    gallerydavid, A good host should be prepared to handle occurrences like you described, Apache mod_bandwidth or something of that nature. Look at your logs like bhartzer said and if nothing is out of the ordinary that cant be fixed by an ip block or site coding change look for a new host.



    bhartzer
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    Posted: 2004-Oct-29 16:45
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    I would also make sure that you use some anti-hotlinking measures to make sure that people aren't hotlinking from your site.

    If you have images on your site that people might want to "use" on their site, then they may hotlink to them, causing you extra bandwidth charges.



    Ron C
    Joined: Jul 23, 1999
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    Posted: 2004-Oct-29 19:37
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    Sever spikes, and especially ones that affect the CPU, are usually errant CGI programs. It only takes one poorly written program hitting an exception it never expected to quickly bring a server to its knees.


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