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Server overload 1~2 hrs daily (regularly)

Discussion in 'General Discussion' started by ptez, Jun 9, 2006.

  1. ptez

    ptez Active Member

    Jun 5, 2003
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    I am encountering a strange thing, at everyday 4:00 GMT ~ 4:30 GMT around, my server will be gin to have high loading, and then everything (http, ssh) cannot be done, because all resources (cpu time) are used out.

    I try to figure out why, but cannot have an efficient solution for that.

    I check all cront-job, but none was running at that time.

    Then I try to TOP before server gets high-loaded. The only thing I can find out is that MySQL daemon uses 99% of CPU time, and then http/ssh can go no-where.

    If I stop httpd, and then restart it, then server will be back to normal. But I have to do that everyday.

    It seems there is some program running regularly at that time, and consume all CPU resource. The server will be back to normal at 5:30GMT or 6:00GMT then.

    Can anyone give me some suggestions how to find out why?

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