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Server CPU spike after UPCP

Discussion in 'General Discussion' started by sonicsam, Oct 7, 2017.

  1. sonicsam

    sonicsam Member

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    Today I have been dealing with a a massive cpu spike on one of our servers which started after the UPCP ran last night at 5am UTC.

    CPU went from below 1 to about 15 on average.

    I finally got it under control by disabling mod_security after reading that the latest comodo rules had a problem. Fine I said switch to OWASP, but this also sent the load back up so I am concluding that the problem is not just with comodos rules.

    This is the Load graph

    lfd_systemday.gif

    This is the traffic

    lfd_systemday (1).gif

    As you can see there is also an increase in traffic but I am going to assume this is because mod_security has changed somehow and was failing to block or causing a problem and not blocking the trafic it should.
     
  2. sonicsam

    sonicsam Member

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    I now have Mod_security off which is obviously not ideal.
     
  3. cPanelMichael

    cPanelMichael Forums Analyst
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    Hello,

    Can you verify if the issue persists after enabling Mod_Security and using the most recent rules update from Comodo? They released an update to address the load issues reported after the previous update.

    Thank you.
     
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