qemu-bl...@nongnu.org
Envoyé: Mardi 16 Juin 2015 06:06:25
Objet: Re: [Qemu-devel] [PATCH] block/mirror: Sleep periodically during bitmap
scanning
On Wed, May 13, 2015 at 11:11:13AM +0800, Fam Zheng wrote:
> Before, we only yield after initializing dirty bitmap, where the QMP
> command w
On Wed, May 13, 2015 at 11:11:13AM +0800, Fam Zheng wrote:
> Before, we only yield after initializing dirty bitmap, where the QMP
> command would return. That may take very long, and guest IO will be
> blocked.
>
> Add sleep points like the later mirror iterations.
>
> Signed-off-by: Fam Zheng
>
On 05/13/2015 02:40 PM, Fam Zheng wrote:
> On Wed, 05/13 13:17, Wen Congyang wrote:
>> On 05/13/2015 11:11 AM, Fam Zheng wrote:
>>> Before, we only yield after initializing dirty bitmap, where the QMP
>>> command would return. That may take very long, and guest IO will be
>>> blocked.
>>
>> Do you
On 13/05/2015 05:11, Fam Zheng wrote:
> Before, we only yield after initializing dirty bitmap, where the QMP
> command would return. That may take very long, and guest IO will be
> blocked.
>
> Add sleep points like the later mirror iterations.
You were also planning to let bdrv_co_is_allocated
On 05/13/2015 11:11 AM, Fam Zheng wrote:
> Before, we only yield after initializing dirty bitmap, where the QMP
> command would return. That may take very long, and guest IO will be
> blocked.
>
> Add sleep points like the later mirror iterations.
>
> Signed-off-by: Fam Zheng
Reviewed-by: Wen C
On Wed, 05/13 13:17, Wen Congyang wrote:
> On 05/13/2015 11:11 AM, Fam Zheng wrote:
> > Before, we only yield after initializing dirty bitmap, where the QMP
> > command would return. That may take very long, and guest IO will be
> > blocked.
>
> Do you have such case to reproduce it? If the disk i
On 05/13/2015 11:11 AM, Fam Zheng wrote:
> Before, we only yield after initializing dirty bitmap, where the QMP
> command would return. That may take very long, and guest IO will be
> blocked.
Do you have such case to reproduce it? If the disk image is too larger,
and I think qemu doesn't cache al
