Plesk for Linux server is running slow: too much IO interactivity

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4 comments

  • Avatar
    Marek Adamski

    Before you start checking all of the above I suggest you check the /etc/resolv.conf file. 
    If localhost (127.0.0.1) is not in the first place then change that. 
    If you are already using dynamic addition to resolv.conf, the default option on server providers, then make sure that the first place is 127.0.0.1. You can achieve this by editing the files in /etc/resolvconf/resolv.conf.d/ in the head file add entries:
    nameserver ::1
    nameserver 127.0.0.1
    I have spent a lot of time to come to the conclusion that if you have a foreign server entered and it is slow or with restrictions, the whole plesk panel works slowly and even can fail to work. 

    1
  • Avatar
    Qhiliqq

    Before you start checking all of the above I suggest you check the /etc/resolv.conf file.

    I checked that, but resolv.conf will be overwritten by /etc/systemd/resolved.conf
    Tried to use it there but no success.
    Any other ideas? IO is not the issue here.

    0
  • Avatar
    Marek Adamski

    I checked that, but resolv.conf will be overwritten by /etc/systemd/resolved.conf
    Tried to use it there but no success.
    Any other ideas? IO is not the issue here.

    Read again. I diden't write change /etc/resolv.conf, i write go to directory /etc/resolvconf/resolv.conf.d/ find file "head" and add entries.
    This is the configuration directory in Debian. In other distributions, I don't know. 

    Another problem could be a lack of cache memory in the RAID controller, especially RAID 5, or a buffer that is not turned on due to the lack of a memory backup battery. It depends on the solution in the controller. 

    0
  • Avatar
    Qhiliqq

    Read again. I diden't write change /etc/resolv.conf, i write go to directory /etc/resolvconf/resolv.conf.d/ find file "head" and add entries.

    Yes I know and the equivalent to /etc/resolvconf/resolv.conf.d/head is /etc/systemd/resolved.conf on ubuntu.

    Thanks for the tip with the raid controller, I'll check that.

    0

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