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Date:      Thu, 18 Feb 2021 12:54:22 -0800
From:      Kevin Oberman <rkoberman@gmail.com>
To:        Konstantin Belousov <kostikbel@gmail.com>
Cc:        Christos Chatzaras <chris@cretaforce.gr>,  FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org>
Subject:   Re: FreeBSD 13.0-BETA2 and slow IO
Message-ID:  <CAN6yY1sdSRU=s2m=gSu-mzH82L9Nfye-A0YZPSQhynVRymHupg@mail.gmail.com>
In-Reply-To: <YCunMi6BxQDXHZin@kib.kiev.ua>
References:  <54ACB0AF-C5FE-41D1-B9DE-75920C19C06A@cretaforce.gr> <684A220A-6A49-471D-8D6E-169164F629E9@cretaforce.gr> <YCunMi6BxQDXHZin@kib.kiev.ua>

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On Tue, Feb 16, 2021 at 3:06 AM Konstantin Belousov <kostikbel@gmail.com>
wrote:

> On Tue, Feb 16, 2021 at 12:54:55PM +0200, Christos Chatzaras wrote:
> >
> > > On 16 Feb 2021, at 12:20, Christos Chatzaras <chris@cretaforce.gr>
> wrote:
> > >
> > > I build a test system with 13.0-BETA2 and it's very slow with at least
> IO.
> > >
> > > Doing "portsnap auto" takes much more time than 12.2.
> > >
> > > Also when I do "rm -fr /usr/ports" with 12.2 takes 5 seconds and the
> same command with 13.0-BETA2 takes 100 seconds.
> > >
> > > The disks are similar 4TB HDD drives on both systems.
> > >
> > > Is this related to debug enabled in 13.0-BETA2?
> >
> > I install 12.2 in the same system and "rm -fr /usr/ports" was fast. So
> it's not related to hardware.
> >
> > If I upgrade it to 13.0-BETA2 the same command is slow again.
>
> Are you using UFS+SU or SU+J?  If yes, this is known and fix is planned
> for BETA3 or BETA4.
>
A note to this thread when it is committed to rewleng or stable would be
greatly appreciated.  The time to download and unpack a large port distfile
(e.g. firefox) is painful. I'm hoping this is causing it as I just had the
disk on my new laptop replaced 6 months ago and I was afraid that it was
failing again.
--
Kevin Oberman, Part time kid herder and retired Network Engineer
E-mail: rkoberman@gmail.com
PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683



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