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Thread: Watchdog - The Plesk Web Server service on host is down.

  1. #1
    Kilo Poster
    Join Date
    Dec 2007

    Exclamation Watchdog - The Plesk Web Server service on host is down.

    Dear All,

    I am facing a strange problem ( Plesk 9.5 )

    My web server " httpd " sleeps for 5 minutes and starts working back... randomly.. couple of times a day...
    It used to be once a week or twice.. earlier.. which was not a big issue.. but it's happening time and again .. multiple times a day...

    Note: only httpd is having problem.. rest is working fine ... i.e. FTP, ssh, remote mysql is working smooth in this period..

    While that happens : i get an email notification from Watch dog with following content :

    " The Plesk Web Server service on host is down. - [date & time]"

    and then 5 mins later another stating

    " The Plesk Web Server service on host has been started on [date & time] "

    Please share your experience and solution..

    Thank you,

  2. #2

    Default I've experienced that as well

    No particular pattern to it. Mostly occurs during the night. Hasn't happened for a while though.
    -- Dave Spencer, SacAutos

  3. #3
    Kilo Poster
    Join Date
    May 2010


    I experienced similar problems.

    In my case his is due to a combination of few resources assigned to my container in combination with backup processes run by my provider.

    I am in the middle of changing to a different provider as my current provider claims it is normal servers collapse as a result of backup processes. What they don't tell is that this is normal in container with too small resources assigned to it.

    Check your container's assigned CPU units and RAM.

  4. #4


    I too seem to fall in the same issue. At first I thought it was just at 12am when I ran my backups - I disabled the check mark to "Suspend domains until backup task is completed" thinking that would be the end of it, but then I just received another notification at 12:12PM stating that it was down.

    Has anyone been able to get this solved?

  5. #5
    Product Expert
    Join Date
    Jul 2007
    Seattle Area


    I absolutely hate watchdog. its annoying, and its usually wrong.
    I switched to using PSMON and its much easier to work with and a little smarter too. its also more lightwieght and doesnt have any GUI or tie into Plesk - it just runs and works in the background.

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