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Re: Out of memory killer misconfigured?

From Tim Woodall <debianuser@woodall.me.uk>
Newsgroups linux.debian.user
Subject Re: Out of memory killer misconfigured?
Date 2022-04-19 17:50 +0200
Message-ID <EdYh3-9Ogb-3@gated-at.bofh.it> (permalink)
References (4 earlier) <EciDf-8NOj-1@gated-at.bofh.it> <Ecn9T-8Qsj-1@gated-at.bofh.it> <Ecr3P-8T0A-9@gated-at.bofh.it> <Ecrdv-8T4E-7@gated-at.bofh.it> <EdFR7-9Dbo-1@gated-at.bofh.it>
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On Mon, 18 Apr 2022, piorunz wrote:

>
> I look from desktop perspective. OS (Linux) runs my desktop and manage
> all programs. When one programs eats too much memory, program gets
> killed. That is default behaviour or any mature operating system, even
> in Windows 2000 era we had this. I don't understand why Linux, using all
> its tools available to itself, is not handling this. I highlight tools
> available to it, not to me - I should not need to know which internal
> Linux tool kills misbehaving programs and how it works to use my desktop.
>

Because not every machine that has the linux kernel installed runs a
desktop - or even if it does, not everybody who kicks off a long running
process in the background wants that process to be killed if the system
starts getting memory starved.

There is no one right answer to this. If the "right way" is obvious to
you in your use case then you can patch the kernel or configure the oom
killer.

https://www.oracle.com/in/technical-resources/articles/it-infrastructure/dev-oom-killer.html

I've not read that page in detail but to summarize "if the kernel is
going to kill our one critical process then we might as well reboot
anyway" and explains how to make the critical process less likely to be
killed. You could do the same with your desktop environment.

Tim.

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Thread

Out of memory killer misconfigured? piorunz <piorunz@gmx.com> - 2022-03-29 11:40 +0200
  Re: Out of memory killer misconfigured? Sven Hoexter <sven@stormbind.net> - 2022-03-29 12:10 +0200
    Re: Out of memory killer misconfigured? piorunz <piorunz@gmx.com> - 2022-03-29 20:40 +0200
      Re: Out of memory killer misconfigured? Tixy <tixy@yxit.co.uk> - 2022-03-30 10:20 +0200
        Re: Out of memory killer misconfigured? piorunz <piorunz@gmx.com> - 2022-03-31 19:00 +0200
          Re: Out of memory killer misconfigured? Jonathan Dowland <jon+debian-user@dow.land> - 2022-04-20 12:30 +0200
            Re: Out of memory killer misconfigured? piorunz <piorunz@gmx.com> - 2022-04-20 17:30 +0200
              Re: Out of memory killer misconfigured? Jonathan Dowland <jon+debian-user@dow.land> - 2022-04-20 18:20 +0200
                Re: Out of memory killer misconfigured? piorunz <piorunz@gmx.com> - 2022-04-20 19:50 +0200
                Re: Out of memory killer misconfigured? David Wright <deblis@lionunicorn.co.uk> - 2022-04-20 20:40 +0200
    Re: Out of memory killer misconfigured? piorunz <piorunz@gmx.com> - 2022-03-29 20:50 +0200
      Re: Out of memory killer misconfigured? Greg Wooledge <greg@wooledge.org> - 2022-03-29 21:20 +0200
        Re: Out of memory killer misconfigured? piorunz <piorunz@gmx.com> - 2022-03-29 22:10 +0200
          Re: Out of memory killer misconfigured? Greg Wooledge <greg@wooledge.org> - 2022-03-29 22:20 +0200
    Re: Out of memory killer misconfigured? piorunz <piorunz@gmx.com> - 2022-03-29 21:00 +0200
      Re: Out of memory killer misconfigured? Nicholas Geovanis <nickgeovanis@gmail.com> - 2022-03-29 21:20 +0200
      Re: Out of memory killer misconfigured? <tomas@tuxteam.de> - 2022-04-01 08:10 +0200
        Re: Out of memory killer misconfigured? piorunz <piorunz@gmx.com> - 2022-04-15 03:10 +0200
          Re: Out of memory killer misconfigured? <tomas@tuxteam.de> - 2022-04-15 08:00 +0200
            Re: Out of memory killer misconfigured? piorunz <piorunz@gmx.com> - 2022-04-15 12:10 +0200
              Re: Out of memory killer misconfigured? <tomas@tuxteam.de> - 2022-04-15 12:20 +0200
                Re: Out of memory killer misconfigured? piorunz <piorunz@gmx.com> - 2022-04-18 22:10 +0200
                Re: Out of memory killer misconfigured? Tim Woodall <debianuser@woodall.me.uk> - 2022-04-19 17:50 +0200
                Re: Out of memory killer misconfigured? <tomas@tuxteam.de> - 2022-04-19 18:10 +0200
                Re: Out of memory killer misconfigured? Nicholas Geovanis <nickgeovanis@gmail.com> - 2022-04-19 22:10 +0200
  Re: Out of memory killer misconfigured? Jonathan Dowland <jon+debian-user@dow.land> - 2022-04-20 12:30 +0200

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