[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [RFC PATCH 01/14] docs: block replication's description
|
From: |
Wen Congyang |
|
Subject: |
Re: [Qemu-devel] [RFC PATCH 01/14] docs: block replication's description |
|
Date: |
Tue, 3 Mar 2015 20:12:52 +0800 |
|
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 |
On 03/03/2015 03:59 PM, Fam Zheng wrote:
> On Tue, 03/03 15:53, Wen Congyang wrote:
>> I test qcow2_make_empty()'s performance. The result shows that it may
>> take about 100ms(normal sata disk). It is not acceptable for COLO. So
>> I think disk buff is necessary(just use it to replace qcow2).
>
> Why not tmpfs or ramdisk?
I test it, and it only takes 2-3ms.
Thanks
Wen Congyang
>
> Fam
> .
>
- Re: [Qemu-devel] [RFC PATCH 01/14] docs: block replication's description, Wen Congyang, 2015/03/03
- Re: [Qemu-devel] [RFC PATCH 01/14] docs: block replication's description, Fam Zheng, 2015/03/03
- Re: [Qemu-devel] [RFC PATCH 01/14] docs: block replication's description, Wen Congyang, 2015/03/13
- Re: [Qemu-devel] [RFC PATCH 01/14] docs: block replication's description, Fam Zheng, 2015/03/13
- Re: [Qemu-devel] [RFC PATCH 01/14] docs: block replication's description, Wen Congyang, 2015/03/16
- Re: [Qemu-devel] [RFC PATCH 01/14] docs: block replication's description, Paolo Bonzini, 2015/03/25