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Thread: cpu performance degrades after upgrading our systems from 12.04 to 18.04

  1. #1
    Join Date
    Jun 2019
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    cpu performance degrades after upgrading our systems from 12.04 to 18.04

    Hello,

    We are a networking company who mostly rely on TCP and UDP calls within our application and we upgraded our OS from Ubuntu 12.04 (Precise Pangolin) to 18.04 (Bionic Beaver), we see performance issues with high CPU and Memory utilization reaching 100%. Has anyone faced similar kind of issues?

    Thanks!

  2. #2
    Join Date
    Jan 2010
    Location
    India
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    Hidden!
    Distro
    Lubuntu 18.04 Bionic Beaver

    Re: cpu performance degrades after upgrading our systems from 12.04 to 18.04

    Quote Originally Posted by skatuku View Post
    Hello,

    We are a networking company who mostly rely on TCP and UDP calls within our application and we upgraded our OS from Ubuntu 12.04 (Precise Pangolin) to 18.04 (Bionic Beaver), we see performance issues with high CPU and Memory utilization reaching 100%. Has anyone faced similar kind of issues?

    Thanks!
    Was this a fresh installation of 18.04 ? Or was it a in place upgrade.

    If it was a in place upgrade I am not sure how you managed to do that

    because 12.04 is out of support a long time back.
    LUBUNTU 18.04
    Intel(R) Core(TM) i3-6100 CPU
    Ram 4GB
    Intel HD Graphics 530 (Skylake GT2)

  3. #3
    Join Date
    Nov 2009
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    Distro
    Kubuntu 18.04 Bionic Beaver

    Re: cpu performance degrades after upgrading our systems from 12.04 to 18.04

    check with top or htop what is taking over the CPU.

    i don't have this issue on server. in fact CPU barely has work to do (nextcloud).
    Easy to understand Ubuntu manual with lots of pics: http://ubuntu-manual.org/
    Do i need antivirus/firewall in linux?
    Disk backup (works on newer PC): Clonezilla

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