Date: Tue, 16 Feb 2021 13:06:26 +0200 From: Konstantin Belousov <kostikbel@gmail.com> To: Christos Chatzaras <chris@cretaforce.gr> Cc: freebsd-stable@freebsd.org Subject: Re: FreeBSD 13.0-BETA2 and slow IO Message-ID: <YCunMi6BxQDXHZin@kib.kiev.ua> In-Reply-To: <684A220A-6A49-471D-8D6E-169164F629E9@cretaforce.gr> References: <54ACB0AF-C5FE-41D1-B9DE-75920C19C06A@cretaforce.gr> <684A220A-6A49-471D-8D6E-169164F629E9@cretaforce.gr>
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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.
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