[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [RFC] qemu-img: Drop BLK_ZERO from convert
|
From: |
Max Reitz |
|
Subject: |
Re: [Qemu-devel] [RFC] qemu-img: Drop BLK_ZERO from convert |
|
Date: |
Wed, 28 Feb 2018 21:23:26 +0100 |
|
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 |
On 2018-02-28 21:11, Max Reitz wrote:
> On 2018-02-28 19:08, Max Reitz wrote:
[...]
> In any case it's interesting to see that even the current qemu-img
> convert takes longer to read sparsely allocated qcow2/raw files from xfs
> than fully allocated images...
(That's because I didn't drop the caches after the qemu-io run... If I
do that, reading the full image takes its four seconds. But that
doesn't make the full results better, and the sparse results don't
change much.)
Max
signature.asc
Description: OpenPGP digital signature