Re: Scrub incredibly slow with 13.0-RC3 (as well as RC1 & 2)

From: Dave Cottlehuber <dch_at_skunkwerks.at>
Date: Fri, 02 Apr 2021 20:29:43 +0000
On Wed, 31 Mar 2021, at 09:00, Mathieu Chouquet-Stringer wrote:
> On Tue, Mar 30, 2021 at 03:43:06PM +0200, Mathieu Chouquet-Stringer wrote:
> > 	Hello,
> > 
> > TL;DR: we need kvmclock support in FreeBSD
> 
>   scan: scrub repaired 0B in 12:33:11 with 0 errors on Wed Mar 31 03:33:14 2021
> 
> It's almost twice as fast with kvmclock support...

Does the issue also go away if you use `TSC-slow` ?

I investigated exactly this issue yesterday[1],  and it's great to see Bryan's patch
resurrected, I will try it here and report back too.

[1]: https://hackmd.io/HhYlbsDJTpCWHSwlrwrY_w

A+
Dave
Received on Fri Apr 02 2021 - 18:30:07 UTC

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