On 17-06-21 03:24 PM, Sage Weil wrote:
> On Wed, 21 Jun 2017, Piotr Dałek wrote:
>> On 17-06-14 03:44 PM, Sage Weil wrote:
>>> On Wed, 14 Jun 2017, Paweł Sadowski wrote:
[snip]
Is it safe to enable "filestore seek hole", are there any tests that
verifies that everything related
On Wed, 21 Jun 2017, Piotr Dałek wrote:
> > > > > I tested on few of our production images and it seems that about 30%
> > > > > is
> > > > > sparse. This will be lost on any cluster wide event (add/remove nodes,
> > > > > PG grow, recovery).
> > > > >
> > > > > How this is/will be handled in Blue
On 17-06-21 03:35 PM, Jason Dillaman wrote:
On Wed, Jun 21, 2017 at 3:05 AM, Piotr Dałek wrote:
I saw that RBD (librbd) does that - replacing writes with discards when
buffer contains only zeros. Some code that does the same in librados could
be added and it shouldn't impact performance much, c
On 17-06-21 03:24 PM, Sage Weil wrote:
On Wed, 21 Jun 2017, Piotr Dałek wrote:
On 17-06-14 03:44 PM, Sage Weil wrote:
On Wed, 14 Jun 2017, Paweł Sadowski wrote:
On 04/13/2017 04:23 PM, Piotr Dałek wrote:
On 04/06/2017 03:25 PM, Sage Weil wrote:
On Thu, 6 Apr 2017, Piotr Dałek wrote:
[snip]
On Wed, Jun 21, 2017 at 3:05 AM, Piotr Dałek wrote:
> I saw that RBD (librbd) does that - replacing writes with discards when
> buffer contains only zeros. Some code that does the same in librados could
> be added and it shouldn't impact performance much, current implementation of
> mem_is_zero is
On Wed, 21 Jun 2017, Piotr Dałek wrote:
> On 17-06-14 03:44 PM, Sage Weil wrote:
> > On Wed, 14 Jun 2017, Paweł Sadowski wrote:
> > > On 04/13/2017 04:23 PM, Piotr Dałek wrote:
> > > > On 04/06/2017 03:25 PM, Sage Weil wrote:
> > > > > On Thu, 6 Apr 2017, Piotr Dałek wrote:
> > > > > > [snip]
> > >
On 17-06-14 03:44 PM, Sage Weil wrote:
On Wed, 14 Jun 2017, Paweł Sadowski wrote:
On 04/13/2017 04:23 PM, Piotr Dałek wrote:
On 04/06/2017 03:25 PM, Sage Weil wrote:
On Thu, 6 Apr 2017, Piotr Dałek wrote:
[snip]
I think the solution here is to use sparse_read during recovery. The
PushOp da
On Wed, 14 Jun 2017, Paweł Sadowski wrote:
> On 04/13/2017 04:23 PM, Piotr Dałek wrote:
> > On 04/06/2017 03:25 PM, Sage Weil wrote:
> >> On Thu, 6 Apr 2017, Piotr Dałek wrote:
> >>> Hello,
> >>>
> >>> We recently had an interesting issue with RBD images and filestore
> >>> on Jewel
> >>> 10.2.5:
>
On 04/13/2017 04:23 PM, Piotr Dałek wrote:
> On 04/06/2017 03:25 PM, Sage Weil wrote:
>> On Thu, 6 Apr 2017, Piotr Dałek wrote:
>>> Hello,
>>>
>>> We recently had an interesting issue with RBD images and filestore
>>> on Jewel
>>> 10.2.5:
>>> We have a pool with RBD images, all of them mostly unt
