Date: Sat, 4 Jan 2025 12:27:36 -0500 From: Joe Schaefer <joesuf4@gmail.com> To: Chris Torek <chris.torek@gmail.com> Cc: "Peter 'PMc' Much" <pmc@citylink.dinoex.sub.org>, freebsd-hackers@freebsd.org Subject: Re: curious crashes when under memory pressure Message-ID: <CAOzHqcJ0=So7oeQYnMBjBCeGnbxVeVx_y%2B9k2D7wE7bvD-kSbQ@mail.gmail.com> In-Reply-To: <CAPx1GvfOh4g1AeOcYXC26W5jbPAgA_E_t7CW9chg4miC8c15-w@mail.gmail.com> References: <CAPx1GvfwqFqvMm0RkTvxa4BJStvOdG0=pNx2dCuWEzCXsqhqHw@mail.gmail.com> <slrnvnij2h.26bu.pmc@disp.intra.daemon.contact> <CAPx1GvfOh4g1AeOcYXC26W5jbPAgA_E_t7CW9chg4miC8c15-w@mail.gmail.com>
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--000000000000c270bd062ae4b613 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Intel and AMD cores are now heterogeneous compute engines. The idea that it is useful to beat the crap of every core simultaneously for an extended period of time is a really dumb idea for capacity testing now. On Sat, Jan 4, 2025 at 11:27=E2=80=AFAM Chris Torek <chris.torek@gmail.com>= wrote: > On Sat, Jan 4, 2025 at 7:01=E2=80=AFAM Peter 'PMc' Much > <pmc@citylink.dinoex.sub.org> wrote: > >> I'm swapping to a zfs mirror > > > > Well, You shouldn't do that. > > Why not? Swapping to a *file* on zfs has obvious issues, but swapping > to a mirrored swap partition seems like it should be entirely safe. A > bit slow (double writes) but I spent $ on RAM rather than M.2 drives > on the theory that I can add those later as needed. > > Chris > > --000000000000c270bd062ae4b613 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"auto">Intel and AMD cores are now heterogeneous compute engines= . The idea that it is useful to beat the crap of every core simultaneously = for an extended period of time is a really dumb idea for capacity testing n= ow.</div><div><br><div class=3D"gmail_quote gmail_quote_container"><div dir= =3D"ltr" class=3D"gmail_attr">On Sat, Jan 4, 2025 at 11:27=E2=80=AFAM Chris= Torek <<a href=3D"mailto:chris.torek@gmail.com">chris.torek@gmail.com</= a>> wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0 = 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On Sat, Jan 4, 2025 a= t 7:01=E2=80=AFAM Peter 'PMc' Much<br> <<a href=3D"mailto:pmc@citylink.dinoex.sub.org" target=3D"_blank">pmc@ci= tylink.dinoex.sub.org</a>> wrote:<br> >> I'm swapping to a zfs mirror<br> ><br> > Well, You shouldn't do that.<br> <br> Why not? Swapping to a *file* on zfs has obvious issues, but swapping<br> to a mirrored swap partition seems like it should be entirely safe. A<br> bit slow (double writes) but I spent $ on RAM rather than M.2 drives<br> on the theory that I can add those later as needed.<br> <br> Chris<br> <br> </blockquote></div></div> --000000000000c270bd062ae4b613--
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