Date: Wed, 23 Apr 2025 16:40:44 +0100 From: void <void@f-m.fm> To: freebsd-current@freebsd.org Subject: Re: zfs (?) issues? Message-ID: <aAkJ_EoizNYkntnh@int21h> In-Reply-To: <56F52DF4-2988-4F06-9F53-90D07AF5DD02@ketas.si.pri.ee>
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On Mon, Apr 21, 2025 at 04:25:16AM +0300, Sulev-Madis Silber wrote:
>i have long running issue in my 13.4 box (amd64)
>
>others don't get it at all and only suggest adding more than 4g ram
>
>it manifests as some mmap or other problems i don't really get
>
>basically unrestricted git consumes all the memory.
I see symptoms like this on very slow media. That media might
be inherently slow (like microSD) or it might mean the hd/ssd is
worn out [1]. Programs like git and subversion read and write lots of
small files, and the os/filesystem might not be able to write
to slow media as fast as git would like.
[1] observed failure mode of some hardware, where writes just
get slower and slower.
[2] the workaround where the machine *has* to use micro sd, in my
example, to update ports, was to download latest ports.tar.xz and
unzip it, rather than use git.
[3] test hd performance with fio (/usr/ports/benchmarks/fio)
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