Re: OOM-killer not being involked under memory pressure

From	Pariksheet Nanda <pariksheet.nanda@protonmail.com>
Newsgroups	linux.debian.user
Subject	Re: OOM-killer not being involked under memory pressure
Date	2020-09-25 02:00 +0200
Message-ID	<ASJjz-179-1@gated-at.bofh.it> (permalink)
References	<ASBvH-4O9-5@gated-at.bofh.it> <ASDQR-6kL-3@gated-at.bofh.it> <ASJ0d-10P-7@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Hi Stefan,

>> My crystal ball says that you're not running out of RAM, but you're
>> hitting a nasty bug instead. I hope I'm wrong.
>
> Perhaps there's a ZFS bug or misconfiguration that happens before the OOM-killer has the chance to be involked. The encryption support is a relatively new feature and I wonder how it behaves with swap.

I just checked my other server which has ZFS on root without encryption, and see that I did not enable swap at all on that machine.  So I'll disable swap, thrash the RAM with `stress`, and then hopefully the OOM-killer works like it does on that machine.


>> Stefan
>
> Pariksheet

Pariksheet

Thread

OOM-killer not being involked under memory pressure Pariksheet Nanda <pariksheet.nanda@protonmail.com> - 2020-09-24 17:40 +0200
  Re: OOM-killer not being involked under memory pressure Stefan Monnier <monnier@iro.umontreal.ca> - 2020-09-24 20:10 +0200
    Re: OOM-killer not being involked under memory pressure Pariksheet Nanda <pariksheet.nanda@protonmail.com> - 2020-09-25 01:40 +0200
      Re: OOM-killer not being involked under memory pressure Pariksheet Nanda <pariksheet.nanda@protonmail.com> - 2020-09-25 02:00 +0200
        Re: OOM-killer not being involked under memory pressure Pariksheet Nanda <pariksheet.nanda@protonmail.com> - 2020-09-25 02:10 +0200
          Re: OOM-killer not being involked under memory pressure Linux-Fan <Ma_Sys.ma@web.de> - 2020-09-25 03:00 +0200
            Re: OOM-killer not being involked under memory pressure Pariksheet Nanda <pariksheet.nanda@protonmail.com> - 2020-09-25 21:20 +0200
      Re: OOM-killer not being involked under memory pressure Charles Curley <charlescurley@charlescurley.com> - 2020-09-25 15:50 +0200
        Re: OOM-killer not being involked under memory pressure Tixy <tixy@yxit.co.uk> - 2020-09-25 18:30 +0200
        Re: OOM-killer not being involked under memory pressure Brian <ad44@cityscape.co.uk> - 2020-09-25 20:10 +0200
        Re: OOM-killer not being involked under memory pressure David Wright <deblis@lionunicorn.co.uk> - 2020-09-26 04:50 +0200
    Re: OOM-killer not being involked under memory pressure Stefan Monnier <monnier@iro.umontreal.ca> - 2020-09-25 03:50 +0200
      Re: OOM-killer not being involked under memory pressure Pariksheet Nanda <pariksheet.nanda@protonmail.com> - 2020-09-25 21:40 +0200

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