On 06/26/17 22:30, Denis V. Lunev wrote:
> 3.
>
> _zstd is multi-threaded, and it’s dangerous_
>
> libzstd is single-threaded.
> There is a multi-thread extension, which is enabled in the CLI, but not
> in the library.
> There is also an experimental target which makes it possible to produc
On 06/26/2017 11:54 PM, Peter Lieven wrote:
>
>> Am 26.06.2017 um 22:30 schrieb Denis V. Lunev :
>>
>>> On 06/26/2017 11:28 AM, Kevin Wolf wrote:
>>> [ Cc: qemu-devel; don't post to qemu-block only! ]
>>>
>>> Am 26.06.2017 um 09:57 hat Peter Lieven geschrieben:
Hi,
I am currently wor
> Am 26.06.2017 um 22:30 schrieb Denis V. Lunev :
>
>> On 06/26/2017 11:28 AM, Kevin Wolf wrote:
>> [ Cc: qemu-devel; don't post to qemu-block only! ]
>>
>> Am 26.06.2017 um 09:57 hat Peter Lieven geschrieben:
>>> Hi,
>>>
>>> I am currently working on optimizing speed for compressed QCOW2
>>>
On 06/26/2017 11:28 AM, Kevin Wolf wrote:
> [ Cc: qemu-devel; don't post to qemu-block only! ]
>
> Am 26.06.2017 um 09:57 hat Peter Lieven geschrieben:
>> Hi,
>>
>> I am currently working on optimizing speed for compressed QCOW2
>> images. We use them for templates and would also like to use them f
On Mon, Jun 26, 2017 at 12:12:05PM +0100, Daniel P. Berrange wrote:
> On Mon, Jun 26, 2017 at 10:28:38AM +0200, Kevin Wolf wrote:
> > [ Cc: qemu-devel; don't post to qemu-block only! ]
> >
> > Am 26.06.2017 um 09:57 hat Peter Lieven geschrieben:
> > > Hi,
> > >
> > > I am currently working on opt
Am 26.06.2017 um 13:21 schrieb Kevin Wolf:
Am 26.06.2017 um 12:08 hat Peter Lieven geschrieben:
Am 26.06.2017 um 11:57 schrieb Kevin Wolf:
Am 26.06.2017 um 11:20 hat Peter Lieven geschrieben:
So he chose a different algorithm (zstd). When I asked, he posted a
comparison of algorithms (however
Am 26.06.2017 um 12:08 hat Peter Lieven geschrieben:
> Am 26.06.2017 um 11:57 schrieb Kevin Wolf:
> >Am 26.06.2017 um 11:20 hat Peter Lieven geschrieben:
> >>>So he chose a different algorithm (zstd). When I asked, he posted a
> >>>comparison of algorithms (however a generic one and not measured in
On Mon, Jun 26, 2017 at 10:28:38AM +0200, Kevin Wolf wrote:
> [ Cc: qemu-devel; don't post to qemu-block only! ]
>
> Am 26.06.2017 um 09:57 hat Peter Lieven geschrieben:
> > Hi,
> >
> > I am currently working on optimizing speed for compressed QCOW2
> > images. We use them for templates and would
Am 26.06.2017 um 12:16 schrieb Laszlo Ersek:
On 06/26/17 11:33, Denis V. Lunev wrote:
On 06/26/2017 12:20 PM, Peter Lieven wrote:
Am 26.06.2017 um 10:28 schrieb Kevin Wolf:
[ Cc: qemu-devel; don't post to qemu-block only! ]
Am 26.06.2017 um 09:57 hat Peter Lieven geschrieben:
Hi,
I am curre
On 06/26/2017 01:16 PM, Laszlo Ersek wrote:
> On 06/26/17 11:33, Denis V. Lunev wrote:
>> On 06/26/2017 12:20 PM, Peter Lieven wrote:
>>> Am 26.06.2017 um 10:28 schrieb Kevin Wolf:
[ Cc: qemu-devel; don't post to qemu-block only! ]
Am 26.06.2017 um 09:57 hat Peter Lieven geschrieben:
Am 26.06.2017 um 12:15 schrieb Denis V. Lunev:
On 06/26/2017 01:04 PM, Daniel P. Berrange wrote:
On Mon, Jun 26, 2017 at 11:20:33AM +0200, Peter Lieven wrote:
Am 26.06.2017 um 10:28 schrieb Kevin Wolf:
[ Cc: qemu-devel; don't post to qemu-block only! ]
Am 26.06.2017 um 09:57 hat Peter Lieven
Am 26.06.2017 um 12:12 schrieb Daniel P. Berrange:
On Mon, Jun 26, 2017 at 12:08:01PM +0200, Peter Lieven wrote:
Am 26.06.2017 um 11:57 schrieb Kevin Wolf:
Am 26.06.2017 um 11:20 hat Peter Lieven geschrieben:
So he chose a different algorithm (zstd). When I asked, he posted a
comparison of alg
On 06/26/17 11:33, Denis V. Lunev wrote:
> On 06/26/2017 12:20 PM, Peter Lieven wrote:
>>
>> Am 26.06.2017 um 10:28 schrieb Kevin Wolf:
>>> [ Cc: qemu-devel; don't post to qemu-block only! ]
>>>
>>> Am 26.06.2017 um 09:57 hat Peter Lieven geschrieben:
Hi,
I am currently working on op
On 06/26/2017 01:04 PM, Daniel P. Berrange wrote:
> On Mon, Jun 26, 2017 at 11:20:33AM +0200, Peter Lieven wrote:
>> Am 26.06.2017 um 10:28 schrieb Kevin Wolf:
>>> [ Cc: qemu-devel; don't post to qemu-block only! ]
>>>
>>> Am 26.06.2017 um 09:57 hat Peter Lieven geschrieben:
Hi,
I am
On Mon, Jun 26, 2017 at 12:08:01PM +0200, Peter Lieven wrote:
> Am 26.06.2017 um 11:57 schrieb Kevin Wolf:
> > Am 26.06.2017 um 11:20 hat Peter Lieven geschrieben:
> > > > So he chose a different algorithm (zstd). When I asked, he posted a
> > > > comparison of algorithms (however a generic one and
Am 26.06.2017 um 11:57 schrieb Kevin Wolf:
Am 26.06.2017 um 11:20 hat Peter Lieven geschrieben:
So he chose a different algorithm (zstd). When I asked, he posted a
comparison of algorithms (however a generic one and not measured in the
context of qemu) that suggests that LZO would be slightly fa
On Mon, Jun 26, 2017 at 11:20:33AM +0200, Peter Lieven wrote:
>
> Am 26.06.2017 um 10:28 schrieb Kevin Wolf:
> > [ Cc: qemu-devel; don't post to qemu-block only! ]
> >
> > Am 26.06.2017 um 09:57 hat Peter Lieven geschrieben:
> > > Hi,
> > >
> > > I am currently working on optimizing speed for co
Am 26.06.2017 um 11:20 hat Peter Lieven geschrieben:
> >So he chose a different algorithm (zstd). When I asked, he posted a
> >comparison of algorithms (however a generic one and not measured in the
> >context of qemu) that suggests that LZO would be slightly faster, but
> >have a considerable wors
Am 26.06.2017 um 11:33 schrieb Denis V. Lunev:
On 06/26/2017 12:20 PM, Peter Lieven wrote:
Am 26.06.2017 um 10:28 schrieb Kevin Wolf:
[ Cc: qemu-devel; don't post to qemu-block only! ]
Am 26.06.2017 um 09:57 hat Peter Lieven geschrieben:
Hi,
I am currently working on optimizing speed for com
On 06/26/2017 12:20 PM, Peter Lieven wrote:
>
> Am 26.06.2017 um 10:28 schrieb Kevin Wolf:
>> [ Cc: qemu-devel; don't post to qemu-block only! ]
>>
>> Am 26.06.2017 um 09:57 hat Peter Lieven geschrieben:
>>> Hi,
>>>
>>> I am currently working on optimizing speed for compressed QCOW2
>>> images. We
Am 26.06.2017 um 10:28 schrieb Kevin Wolf:
[ Cc: qemu-devel; don't post to qemu-block only! ]
Am 26.06.2017 um 09:57 hat Peter Lieven geschrieben:
Hi,
I am currently working on optimizing speed for compressed QCOW2
images. We use them for templates and would also like to use them for
backups,
[ Cc: qemu-devel; don't post to qemu-block only! ]
Am 26.06.2017 um 09:57 hat Peter Lieven geschrieben:
> Hi,
>
> I am currently working on optimizing speed for compressed QCOW2
> images. We use them for templates and would also like to use them for
> backups, but the latter is almost infeasible
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