On Thu, Sep 17, 2015 at 6:01 PM, Gregory Farnum wrote:
> On Thu, Sep 17, 2015 at 7:55 AM, Corin Langosch
> wrote:
>> Hi Greg,
>>
>> Am 17.09.2015 um 16:42 schrieb Gregory Farnum:
>>> Briefly, if you do a lot of small direct IOs (for instance, a database
>>> journal) then striping lets you send ea
On Thu, Sep 17, 2015 at 7:55 AM, Corin Langosch
wrote:
> Hi Greg,
>
> Am 17.09.2015 um 16:42 schrieb Gregory Farnum:
>> Briefly, if you do a lot of small direct IOs (for instance, a database
>> journal) then striping lets you send each sequential write to a
>> separate object. This means they don'
Hi Greg,
Am 17.09.2015 um 16:42 schrieb Gregory Farnum:
> Briefly, if you do a lot of small direct IOs (for instance, a database
> journal) then striping lets you send each sequential write to a
> separate object. This means they don't pile up behind each other
> grabbing write locks and can compl
On Wed, Sep 16, 2015 at 11:56 AM, Corin Langosch
wrote:
> Hi guys,
>
> afaik rbd always splits the image into chunks of size 2^order (2^22 = 4MB by
> default). What's the benefit of specifying
> the feature flag "STRIPINGV2"? I couldn't find any documenation about it
> except
> http://ceph.com/d
Hi guys,
afaik rbd always splits the image into chunks of size 2^order (2^22 = 4MB by
default). What's the benefit of specifying
the feature flag "STRIPINGV2"? I couldn't find any documenation about it except
http://ceph.com/docs/master/man/8/rbd/#striping which doesn't explain the
benefits (or