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Re: [Qemu-discuss] [kubevirt-dev] Re: Converting qcow2 image on the fly
From: |
Richard W.M. Jones |
Subject: |
Re: [Qemu-discuss] [kubevirt-dev] Re: Converting qcow2 image on the fly to raw format |
Date: |
Thu, 19 Jul 2018 20:24:53 +0100 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Thu, Jul 19, 2018 at 09:50:00PM +0300, Nir Soffer wrote:
> On Mon, Jul 16, 2018 at 11:56 AM Daniel P. Berrangé <address@hidden>
> wrote:
> ...
>
> > Recommendation is to run 'qemu-img info' to extract the metadata and sanity
> > check results eg no backing file list, not unreasonable size, etc. When
> > running 'qemu-img info' apply process limits of 30 secs CPU time, and 1 GB
> > address space.
> >
>
> Can you explain the values of cpu seconds and addres space?
>
> Also, I tried to use prlimit --rss=N, and the value seems to be ignored. Is
> this
> a bug in prlimit?
This is the code in OpenStack:
https://github.com/openstack/nova/blob/50f40854b04351fb622fd8b68b374a8fe8ca2070/nova/virt/images.py#L74
https://github.com/openstack/oslo.concurrency/blob/a9d728b71e47540fd248a6bc2d301fdfa9a988ce/oslo_concurrency/processutils.py#L194
(see prlimit)
HTH,
Rich.
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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- Re: [Qemu-discuss] Converting qcow2 image on the fly to raw format, (continued)
- Re: [Qemu-discuss] Converting qcow2 image on the fly to raw format, Kevin Wolf, 2018/07/09
- Re: [Qemu-discuss] Converting qcow2 image on the fly to raw format, Richard W.M. Jones, 2018/07/09
- Re: [Qemu-discuss] Converting qcow2 image on the fly to raw format, Kevin Wolf, 2018/07/09
- Re: [Qemu-discuss] Converting qcow2 image on the fly to raw format, Richard W.M. Jones, 2018/07/09
- Re: [Qemu-discuss] Converting qcow2 image on the fly to raw format, Nir Soffer, 2018/07/09
- Re: [Qemu-discuss] Converting qcow2 image on the fly to raw format, Adam Litke, 2018/07/11
- Re: [Qemu-discuss] [kubevirt-dev] Re: Converting qcow2 image on the fly to raw format, Daniel P . Berrangé, 2018/07/16
- Re: [Qemu-discuss] [kubevirt-dev] Re: Converting qcow2 image on the fly to raw format, Nir Soffer, 2018/07/19
- Re: [Qemu-discuss] [kubevirt-dev] Re: Converting qcow2 image on the fly to raw format, Richard W.M. Jones, 2018/07/19
- Re: [Qemu-discuss] [kubevirt-dev] Re: Converting qcow2 image on the fly to raw format, Nir Soffer, 2018/07/19
- Re: [Qemu-discuss] [kubevirt-dev] Re: Converting qcow2 image on the fly to raw format,
Richard W.M. Jones <=
- Re: [Qemu-discuss] [kubevirt-dev] Re: Converting qcow2 image on the fly to raw format, Richard W.M. Jones, 2018/07/19
- Re: [Qemu-discuss] [kubevirt-dev] Re: Converting qcow2 image on the fly to raw format, Nir Soffer, 2018/07/19
- Re: [Qemu-discuss] [kubevirt-dev] Re: Converting qcow2 image on the fly to raw format, Nir Soffer, 2018/07/19
- Re: [Qemu-discuss] [kubevirt-dev] Re: Converting qcow2 image on the fly to raw format, Richard W.M. Jones, 2018/07/19
- Re: [Qemu-discuss] [kubevirt-dev] Re: Converting qcow2 image on the fly to raw format, Daniel P . Berrangé, 2018/07/20
- Re: [Qemu-discuss] [kubevirt-dev] Re: Converting qcow2 image on the fly to raw format, Daniel P . Berrangé, 2018/07/20
Re: [Qemu-discuss] Converting qcow2 image on the fly to raw format, Richard W.M. Jones, 2018/07/09