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Date: Tue, 1 Feb 2022 13:58:53 +0300
From: Paul Wolneykien <manowar@altlinux.org>
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Subject: Re: [devel] OOM OMG OMG...
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=D0=92 Tue, 1 Feb 2022 02:55:31 +0300
Andrey Savchenko <bircoph@altlinux.org> =D0=BF=D0=B8=D1=88=D0=B5=D1=82:

> On Tue, 1 Feb 2022 02:26:57 +0300 Paul Wolneykien wrote:
> > =D0=92 Tue, 1 Feb 2022 00:55:18 +0300
> > "Alexey V. Vissarionov" <gremlin@altlinux.org> =D0=BF=D0=B8=D1=88=D0=B5=
=D1=82:
> >  =20
> > >  >> P.S. =D0=94=D0=BB=D1=8F =D0=B1=D1=80=D0=B0=D1=83=D0=B7=D0=B5=D1=
=80=D0=B0 32 =D0=B1=D0=B8=D1=82 =D0=B2=D0=BF=D0=BE=D0=BB=D0=BD=D0=B5 =D1=85=
=D0=B2=D0=B0=D1=82=D0=B0=D0=B5=D1=82 2GB RAM + zswap
> > >  >> =D0=B8=D0=BB=D0=B8 3 GB RAM, =D0=B5=D1=81=D0=BB=D0=B8 100500 =D0=
=B2=D0=BA=D0=BB=D0=B0=D0=B4=D0=BE=D0=BA =D0=BD=D0=B5 =D0=BE=D1=82=D0=BA=D1=
=80=D1=8B=D0=B2=D0=B0=D1=82=D1=8C.   =20
> > >=20
> > > =D0=90=D0=B3=D0=B0. =D0=90 =D0=BA=D0=BE=D0=B3=D0=B4=D0=B0 =D0=BD=D1=
=83=D0=B6=D0=BD=D0=BE =D0=B7=D0=B0=D0=BF=D1=83=D1=81=D1=82=D0=B8=D1=82=D1=
=8C =D1=87=D1=82=D0=BE-=D1=82=D0=BE =D0=B5=D1=89=D0=B5 - =D0=BE=D0=B1=D1=8F=
=D0=B7=D0=B0=D1=82=D0=B5=D0=BB=D1=8C=D0=BD=D0=BE =D0=B7=D0=B0=D0=B2=D0=B5=
=D1=80=D1=88=D0=B8=D1=82=D1=8C
> > > =D1=8D=D1=82=D0=BE=D1=82 =D0=BF=D1=80=D0=BE=D1=86=D0=B5=D1=81=D1=81, =
=D1=87=D1=82=D0=BE=D0=B1=D1=8B =D0=BE=D0=BD =D0=BF=D0=B0=D0=BC=D1=8F=D1=82=
=D1=8C =D0=BD=D0=B5 =D0=B6=D1=80=D0=B0=D0=BB. =20
> >=20
> >   =D0=98 =D1=82=D1=83=D1=82 =D0=BC=D1=8B =D0=B2=D0=BE=D0=B7=D0=B2=D1=80=
=D0=B0=D1=89=D0=B0=D0=B5=D0=BC=D1=81=D1=8F =D0=BA =D0=B4=D1=80=D1=83=D0=B3=
=D0=BE=D0=BC=D1=83 =D0=B2=D0=BE=D0=BF=D1=80=D0=BE=D1=81=D1=83: =D0=BA=D0=B0=
=D0=BA, =D0=B2=D1=81=D1=91-=D1=82=D0=B0=D0=BA=D0=B8, =D0=BD=D0=B0=D1=81=D1=
=82=D1=80=D0=BE=D0=B8=D1=82=D1=8C
> > OOM-killer =D1=82=D0=B0=D0=BA, =D1=87=D1=82=D0=BE=D0=B1=D1=8B =D0=BE=D0=
=BD =D0=BD=D0=B5 =D0=BE=D1=82=D0=BF=D1=80=D0=B0=D0=B2=D0=BB=D1=8F=D0=BB =D1=
=81=D0=B8=D1=81=D1=82=D0=B5=D0=BC=D1=83 =D0=B2 =D0=B1=D0=B5=D1=81=D0=BA=D0=
=BE=D0=BD=D0=B5=D1=87=D0=BD=D1=8B=D0=B9 =D1=86=D0=B8=D0=BA=D0=BB =D0=B8
> > =D0=BD=D0=B5 =D1=82=D1=80=D0=B5=D0=B1=D0=BE=D0=B2=D0=B0=D0=BB =D0=BF=D0=
=B5=D1=80=D0=B5=D0=B7=D0=B0=D0=B3=D1=80=D1=83=D0=B7=D0=BA=D0=B8 =D0=BF=D0=
=BE =D0=BF=D0=B8=D1=82=D0=B0=D0=BD=D0=B8=D1=8E? =D0=9F=D0=BE=D1=82=D0=BE=D0=
=BC=D1=83, =D1=87=D1=82=D0=BE =D0=BA=D1=80=D0=BE=D0=BC=D0=B5 =D1=81=D1=82=
=D0=B0=D1=80=D0=BE=D0=B3=D0=BE
> > 32-=D0=B1=D0=B8=D1=82=D0=BD=D0=BE=D0=B3=D0=BE =D0=B6=D0=B5=D0=BB=D0=B5=
=D0=B7=D0=B0 =D1=81 3 GB RAM, =D0=B5=D1=81=D1=82=D1=8C =D0=B5=D1=89=D1=91 =
=D0=B1=D0=BE=D0=BB=D1=8C=D1=88=D0=BE=D0=B5 =D0=BA=D0=BE=D0=BB=D0=B8=D1=87=
=D0=B5=D1=81=D1=82=D0=B2=D0=B0 =D1=81=D1=82=D0=B0=D1=80=D0=BE=D0=B3=D0=BE
> > 64-=D0=B1=D0=B8=D1=82=D0=BD=D0=BE=D0=B3=D0=BE =D0=B6=D0=B5=D0=BB=D0=B5=
=D0=B7=D0=B0 =D1=81 2 GB RAM, =D0=BA=D0=BE=D1=82=D0=BE=D1=80=D0=BE=D0=B5 =
=D1=84=D0=B8=D0=B7=D0=B8=D1=87=D0=B5=D1=81=D0=BA=D0=B8 =D0=BE=D1=82=D0=BE=
=D0=BC=D1=80=D1=91=D1=82 =D0=B2 =D1=82=D0=B5=D1=85 =D0=B6=D0=B5
> > =D1=88=D0=BA=D0=BE=D0=BB=D0=B0=D1=85 =D0=BD=D0=B0=D0=B2=D0=B5=D1=80=D0=
=BD=D1=8F=D0=BA=D0=B0 =D0=BF=D0=BE=D0=B7=D0=B6=D0=B5 32-=D0=B1=D0=B8=D1=82=
=D0=BD=D0=BE=D0=B3=D0=BE. =20
>=20
> =D0=92 =D0=BF=D0=B5=D1=80=D0=B2=D1=83=D1=8E =D0=BE=D1=87=D0=B5=D1=80=D0=
=B5=D0=B4=D1=8C =D1=81=D0=BB=D0=B5=D0=B4=D1=83=D0=B5=D1=82 =D0=B2=D0=BA=D0=
=BB=D1=8E=D1=87=D0=B8=D1=82=D1=8C zswap, =D0=BB=D1=83=D1=87=D1=88=D0=B5 =D0=
=B2=D1=81=D0=B5=D0=B3=D0=BE =D1=81 =D0=BC=D0=B5=D1=82=D0=BE=D0=B4=D0=BE=D0=
=BC
> z3fold. =D0=AD=D1=82=D0=BE =D0=B3=D0=B4=D0=B5-=D1=82=D0=BE =D0=B2 1.5 =D1=
=80=D0=B0=D0=B7=D0=B0 =D1=8D=D1=84=D1=84=D0=B5=D0=BA=D1=82=D0=B8=D0=B2=D0=
=BD=D1=8B=D0=B9 =D0=BE=D0=B1=D1=8A=D1=91=D0=BC =D0=BF=D0=B0=D0=BC=D1=8F=D1=
=82=D0=B8 =D1=83=D0=B2=D0=B5=D0=BB=D0=B8=D1=87=D0=B8=D1=82, =D0=BD=D0=BE
> =D1=81=D0=B4=D0=B5=D0=BB=D0=B0=D0=B5=D1=82 =D1=85=D0=B2=D0=BE=D1=81=D1=82=
 =D0=B1=D0=BE=D0=BB=D0=B5=D0=B5 =D0=BC=D0=B5=D0=B4=D0=BB=D0=B5=D0=BD=D0=BD=
=D1=8B=D0=BC, =D0=BD=D0=BE =D0=B2=D1=81=D1=91 =D1=80=D0=B0=D0=B2=D0=BD=D0=
=BE =D0=BC=D0=BD=D0=BE=D0=B3=D0=BE =D0=BB=D1=83=D1=87=D1=88=D0=B5 =D1=81=D0=
=B2=D0=BE=D0=BF=D0=B0.

  =D0=9D=D0=BE =D1=8D=D1=82=D0=BE =D0=B2=D1=81=D1=91-=D1=80=D0=B0=D0=B2=D0=
=BD=D0=BE =D0=B2=D0=B5=D1=80=D0=BE=D1=8F=D1=82=D0=BD=D0=BE=D1=81=D1=82=D0=
=BD=D0=BE=D0=B5 =D1=80=D0=B5=D1=88=D0=B5=D0=BD=D0=B8=D0=B5 =D0=B1=D1=83=D0=
=B4=D0=B5=D1=82: =D0=BB=D0=BE=D0=BF=D0=BD=D0=B5=D1=82 =E2=80=94 =D0=BD=D0=
=B5 =D0=BB=D0=BE=D0=BF=D0=BD=D0=B5=D1=82. =D0=A2=D1=83=D1=82
=D0=B2=D0=B5=D0=B4=D1=8C =D0=B2=D1=81=D1=8F =D0=B8=D0=BD=D1=82=D1=80=D0=B8=
=D0=B3=D0=B0 =D0=B2 =D1=82=D0=BE=D0=BC, =D1=87=D1=82=D0=BE =D0=BA=D0=BE=D0=
=B3=D0=B4=D0=B0 =D1=82=D1=8B =D0=BA=D0=BB=D0=B8=D0=BA=D0=B0=D0=B5=D1=88=D1=
=8C =D0=BD=D0=B0 =D1=81=D1=81=D1=8B=D0=BB=D0=BA=D1=83, =D1=82=D0=BE =D1=82=
=D0=BE=D1=87=D0=BD=D0=BE =D0=BD=D0=B5
=D0=B7=D0=BD=D0=B0=D0=B5=D1=88=D1=8C, =D0=BD=D0=B0 =D0=BA=D0=B0=D0=BA=D0=BE=
=D0=B9 =D1=81=D0=B0=D0=B9=D1=82 =D0=BF=D0=BE=D0=BF=D0=B0=D0=B4=D1=91=D1=88=
=D1=8C =E2=80=94 =D0=BD=D0=B0 =D0=BB=D1=91=D0=B3=D0=BA=D0=B8=D0=B9 =D0=B8=
=D0=BB=D0=B8 =D0=BD=D0=B0 =D1=82=D1=8F=D0=B6=D1=91=D0=BB=D1=8B=D0=B9. =D0=
=98 =D0=B5=D1=81=D0=BB=D0=B8 =D0=BF=D0=B0=D0=BC=D1=8F=D1=82=D1=8C
=D0=BB=D0=BE=D0=BF=D0=BD=D0=B5=D1=82, =D1=82=D0=BE =D0=BD=D0=B0=D0=B2=D0=B5=
=D1=80=D0=BD=D1=8F=D0=BA=D0=B0 =D0=BF=D1=80=D0=B8=D0=B4=D1=91=D1=82=D1=81=
=D1=8F =D0=BF=D0=B5=D1=80=D0=B5=D0=B7=D0=B0=D0=B3=D1=80=D1=83=D0=B6=D0=B0=
=D1=82=D1=8C =D0=B2=D1=81=D1=8E =D1=81=D0=B8=D1=81=D1=82=D0=B5=D0=BC=D1=83,=
 =D0=B0 =D0=BD=D0=B5 =D0=B2=D0=BA=D0=BB=D0=B0=D0=B4=D0=BA=D1=83 =D0=B8
=D0=B4=D0=B0=D0=B6=D0=B5 =D0=BD=D0=B5 =D0=B1=D1=80=D0=B0=D1=83=D0=B7=D0=B5=
=D1=80.

  =D0=98=D0=B4=D0=B5=D0=B0=D0=BB=D1=8C=D0=BD=D0=BE=D0=B3=D0=BE =D0=BF=D0=BE=
=D0=B2=D0=B5=D0=B4=D0=B5=D0=BD=D0=B8=D1=8F =D0=B2 =D0=BE=D1=82=D0=BD=D0=BE=
=D1=88=D0=B5=D0=BD=D0=B8=D0=B8 =D0=B1=D1=80=D0=B0=D1=83=D0=B7=D0=B5=D1=80=
=D0=B0 =D1=8F =D0=B4=D0=BE=D0=B1=D0=B8=D0=B2=D0=B0=D0=BB=D1=81=D1=8F =D0=BE=
=D1=82=D0=BA=D0=BB=D1=8E=D1=87=D0=B5=D0=BD=D0=B8=D0=B5=D0=BC
overcommit_memory. =D0=92 =D1=81=D0=BB=D1=83=D1=87=D0=B0=D0=B5 =D0=B8=D1=81=
=D1=87=D0=B5=D1=80=D0=BF=D0=B0=D0=BD=D0=B8=D1=8F =D0=BF=D0=B0=D0=BC=D1=8F=
=D1=82=D0=B8 =D0=BE=D1=87=D0=B5=D1=80=D0=B5=D0=B4=D0=BD=D0=B0=D1=8F =D0=B2=
=D0=BA=D0=BB=D0=B0=D0=B4=D0=BA=D0=B0
=D0=BF=D0=BE=D0=BA=D0=B0=D0=B7=D1=8B=D0=B2=D0=B0=D0=BB=D0=B0 =D1=81=D0=BE=
=D0=BE=D0=B1=D1=89=D0=B5=D0=BD=D0=B8=D0=B5 "=D0=98=D0=B7=D0=B2=D0=B8=D0=BD=
=D0=B8=D1=82=D0=B5, =D0=B2=D0=BA=D0=BB=D0=B0=D0=B4=D0=BA=D0=B0 =D1=83=D0=BF=
=D0=B0=D0=BB=D0=B0", =D0=B0 =D0=B2=D1=81=D1=91 =D0=BE=D1=81=D1=82=D0=B0=D0=
=BB=D1=8C=D0=BD=D0=BE=D0=B5
=D0=BF=D1=80=D0=BE=D0=B4=D0=BE=D0=BB=D0=B6=D0=B0=D0=BB=D0=BE =D1=80=D0=B0=
=D0=B1=D0=BE=D1=82=D0=B0=D1=82=D1=8C. =D0=AF =D1=82=D0=B0=D0=BA =D0=BF=D0=
=BE=D0=BD=D1=8F=D0=BB, =D1=87=D1=82=D0=BE =D0=BD=D0=BE=D0=B2=D1=8B=D0=B9 Fi=
refox =D1=83=D0=BC=D0=B5=D0=B5=D1=82 =D0=BD=D0=B5 =D0=BF=D0=B0=D0=B4=D0=B0=
=D1=82=D1=8C
=D1=86=D0=B5=D0=BB=D0=B8=D0=BA=D0=BE=D0=BC.
  =D0=AD=D1=82=D0=BE =D0=B4=D0=B5=D0=B9=D1=81=D1=82=D0=B2=D0=B8=D1=82=D0=B5=
=D0=BB=D1=8C=D0=BD=D0=BE =D0=B1=D1=8B=D0=BB=D0=BE =D0=B8=D0=B4=D0=B5=D0=B0=
=D0=BB=D1=8C=D0=BD=D0=BE, =D0=BD=D0=BE =D0=BD=D0=B0 =D0=BC=D0=B0=D1=88=D0=
=B8=D0=BD=D0=BA=D0=B5, =D1=83 =D0=BA=D0=BE=D1=82=D0=BE=D1=80=D0=BE=D0=B9 =
=D0=B1=D1=8B=D0=BB=D0=BE
=D0=B1=D0=BE=D0=BB=D1=8C=D1=88=D0=B5 2 =D0=93=D0=91, =D0=B2=D0=BE=D0=B7=D0=
=BC=D0=BE=D0=B6=D0=BD=D0=BE =D0=B4=D0=B0=D0=B6=D0=B5 4 =D0=93=D0=91. =D0=95=
=D1=81=D0=BB=D0=B8 =D0=BF=D0=B0=D0=BC=D1=8F=D1=82=D0=B8 =D0=BC=D0=B5=D0=BD=
=D1=8C=D1=88=D0=B5, =D1=82=D0=BE =D1=81 =D0=BE=D1=82=D0=BA=D0=BB=D1=8E=D1=
=87=D1=91=D0=BD=D0=BD=D1=8B=D0=BC
overcommit =D0=B4=D0=B0=D0=B6=D0=B5 =D0=BF=D1=80=D0=BE=D1=81=D1=82=D0=BE=D0=
=B9 =D0=B3=D1=80=D0=B0=D1=84=D0=B8=D1=87=D0=B5=D1=81=D0=BA=D0=B8=D0=B9 =D1=
=81=D0=B5=D0=B0=D0=BD=D1=81 =D1=83=D0=B6=D0=B5 =D0=BD=D0=B5 =D0=B7=D0=B0=D0=
=BF=D1=83=D1=81=D1=82=D0=B8=D1=82=D1=8C. =D0=90 =D1=82=D0=B0=D0=BC, =D0=B3=
=D0=B4=D0=B5
=D1=81=D0=B5=D0=B0=D0=BD=D1=81 =D0=B8 =D0=B1=D1=80=D0=B0=D1=83=D0=B7=D0=B5=
=D1=80 =D0=B7=D0=B0=D0=BF=D1=83=D1=81=D1=82=D0=B8=D1=82=D1=8C =D1=83=D0=B4=
=D0=B0=D1=91=D1=82=D1=81=D1=8F, =D1=87=D0=B0=D1=81=D1=82=D0=BE =D0=BD=D0=B5=
=D1=82 =D0=B2=D0=BE=D0=B7=D0=BC=D0=BE=D0=B6=D0=BD=D0=BE=D1=81=D1=82=D0=B8 =
=D0=B4=D0=B0=D0=B6=D0=B5 =D0=BE=D1=82=D0=BA=D1=80=D1=8B=D1=82=D1=8C
=D0=BD=D0=BE=D0=B2=D1=8B=D0=B9 =D1=8D=D0=BC=D1=83=D0=BB=D1=8F=D1=82=D0=BE=
=D1=80 =D1=82=D0=B5=D1=80=D0=BC=D0=B8=D0=BD=D0=B0=D0=BB=D0=B0. =D0=9F=D0=BE=
-=D0=B2=D0=B8=D0=B4=D0=B8=D0=BC=D0=BE=D0=BC=D1=83, =D0=BF=D0=B5=D1=80=D0=B5=
=D0=BE=D1=86=D0=B5=D0=BD=D0=B8=D0=B2=D0=B0=D1=8E=D1=82=D1=81=D1=8F =D0=BF=
=D0=BE=D1=82=D1=80=D0=B5=D0=B1=D0=BD=D0=BE=D1=81=D1=82=D0=B8
=D0=BE=D1=87=D0=B5=D1=80=D0=B5=D0=B4=D0=BD=D0=BE=D0=B3=D0=BE fork() =D0=B8=
=D0=BB=D0=B8 =D1=87=D1=82=D0=BE-=D1=82=D0=BE =D0=B2 =D1=8D=D1=82=D0=BE=D0=
=BC =D1=80=D0=BE=D0=B4=D0=B5.
  =D0=9F=D0=BE=D1=8D=D1=82=D0=BE=D0=BC=D1=83 =D0=BE=D1=82=D0=BA=D0=BB=D1=8E=
=D1=87=D0=B5=D0=BD=D0=B8=D0=B5 overcommit =D1=8D=D1=82=D0=BE =D1=82=D0=BE=
=D0=B6=D0=B5 =D0=BD=D0=B5 =D0=B2=D1=8B=D1=85=D0=BE=D0=B4. =D0=9A =D1=81=D0=
=BE=D0=B6=D0=B0=D0=BB=D0=B5=D0=BD=D0=B8=D1=8E.