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From: Ricardo Wurmus <rekado@elephly.net>
To: Christopher Baines <mail@cbaines.net>
Cc: help-guix@gnu.org
Subject: Re: Performance issues with /gnu/store in virtual machines
Date: Sun, 20 Aug 2017 11:02:16 +0200	[thread overview]
Message-ID: <87wp5ywr1j.fsf@elephly.net> (raw)
In-Reply-To: <20170817210547.3fafde57@cbaines.net>


Hi Chris,

> So I was trying out using VMs created through Guix for more things,
> particularly as they can be run as part of derivations, e.g. the system
> tests for Guix.
>
> However, I'm seeing anything that does I/O performing very poorly
> compared with the host system.

(I’m not using VMs as KVM doesn’t work on my laptop.)

Have you tried specifying “virtio” drivers for the virtual disks?  I
don’t think they are the default and I’m hopeful that with virtio
drivers I/O performance will be comparable.

--
Ricardo

GPG: BCA6 89B6 3655 3801 C3C6  2150 197A 5888 235F ACAC
https://elephly.net

  reply	other threads:[~2017-08-20  9:02 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-17 20:05 Performance issues with /gnu/store in virtual machines Christopher Baines
2017-08-20  9:02 ` Ricardo Wurmus [this message]
2017-08-20 10:22   ` Christopher Baines
2017-08-22 10:11 ` Ludovic Courtès
2017-08-22 11:20   ` Christopher Baines
2017-08-22 14:35     ` Ludovic Courtès
2017-08-22 12:51   ` 宋文武
2017-08-22 14:33     ` Ludovic Courtès

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