On Fri, 16 Oct 2015, Warner Losh wrote:
On Oct 16, 2015, at 2:12 AM, Hans Petter Selasky wrote:
On 10/16/15 08:21, Bruce Evans wrote:
In addition, making the file contiguous in LBA space doesn't
improve the access times from flash devices because they have no seek
time.
This is not exactly
On Fri, Oct 16, 2015 at 03:00:50PM -0600, Warner Losh wrote:
> Do not relocate extents to make them contiguous if the underlying drive
> can do
> deletions. Ability to do deletions is a strong indication that this
> optimization will not help performance. It will only generate
> On Oct 16, 2015, at 2:18 PM, Slawa Olhovchenkov wrote:
>
> On Fri, Oct 16, 2015 at 01:22:44PM -0600, Warner Losh wrote:
>
>>
>>> On Oct 16, 2015, at 7:19 AM, Slawa Olhovchenkov wrote:
>>>
>>> On Fri, Oct 16, 2015 at 03:06:02AM +, Warner Losh wrote:
>>>
Author: imp
Date: Fri
On Fri, Oct 16, 2015 at 01:22:44PM -0600, Warner Losh wrote:
>
> > On Oct 16, 2015, at 7:19 AM, Slawa Olhovchenkov wrote:
> >
> > On Fri, Oct 16, 2015 at 03:06:02AM +, Warner Losh wrote:
> >
> >> Author: imp
> >> Date: Fri Oct 16 03:06:02 2015
> >> New Revision: 289405
> >> URL: https://sv
> On Oct 16, 2015, at 8:03 AM, Pedro Giffuni wrote:
>
>
>
> On 10/16/15 03:53, Bruce Evans wrote:
>> On Fri, 16 Oct 2015, Hans Petter Selasky wrote:
>>
>>> On 10/16/15 08:21, Bruce Evans wrote:
[Bruce Evans didn't write:]
In addition, making the file contiguous in LBA space doesn't
> On Oct 16, 2015, at 7:19 AM, Slawa Olhovchenkov wrote:
>
> On Fri, Oct 16, 2015 at 03:06:02AM +, Warner Losh wrote:
>
>> Author: imp
>> Date: Fri Oct 16 03:06:02 2015
>> New Revision: 289405
>> URL: https://svnweb.freebsd.org/changeset/base/289405
>>
>> Log:
>> Do not relocate extents t
> On Oct 16, 2015, at 2:12 AM, Hans Petter Selasky wrote:
>
> On 10/16/15 08:21, Bruce Evans wrote:
>> In addition, making the file contiguous in LBA space doesn't
>> improve the access times from flash devices because they have no seek
>> time.
>
> Hi,
>
> This is not exactly true, like Bruc
On 10/16/15 03:53, Bruce Evans wrote:
On Fri, 16 Oct 2015, Hans Petter Selasky wrote:
On 10/16/15 08:21, Bruce Evans wrote:
[Bruce Evans didn't write:]
In addition, making the file contiguous in LBA space doesn't
improve the access times from flash devices because they have no seek
time.
On Fri, Oct 16, 2015 at 03:06:02AM +, Warner Losh wrote:
> Author: imp
> Date: Fri Oct 16 03:06:02 2015
> New Revision: 289405
> URL: https://svnweb.freebsd.org/changeset/base/289405
>
> Log:
> Do not relocate extents to make them contiguous if the underlying drive can
> do
> deletions.
On Fri, 16 Oct 2015, Hans Petter Selasky wrote:
On 10/16/15 08:21, Bruce Evans wrote:
[Bruce Evans didn't write:]
In addition, making the file contiguous in LBA space doesn't
improve the access times from flash devices because they have no seek
time.
This is not exactly true, like Bruce poi
On 10/16/15 08:21, Bruce Evans wrote:
In addition, making the file contiguous in LBA space doesn't
improve the access times from flash devices because they have no seek
time.
Hi,
This is not exactly true, like Bruce pointed out too. Maybe there should
be a check, that if the block is too sm
On Fri, 16 Oct 2015, Warner Losh wrote:
Log:
Do not relocate extents to make them contiguous if the underlying drive can do
deletions. Ability to do deletions is a strong indication that this
optimization will not help performance. It will only generate extra write
traffic. These devices are
Author: imp
Date: Fri Oct 16 03:06:02 2015
New Revision: 289405
URL: https://svnweb.freebsd.org/changeset/base/289405
Log:
Do not relocate extents to make them contiguous if the underlying drive can do
deletions. Ability to do deletions is a strong indication that this
optimization will not
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