Hi,
On 13/11/2015 09:13, Vickie ch wrote:
> If you have a large amount of OSDs but less pg number. You will find your
> data write unevenly.
> Some OSD have no change to write data.
> In the other side, pg number too large but OSD number too small that have a
> chance to cause data lost.
Data lost, are you sure?
Personally, I would have said:
few PG/OSDs lot of PG/OSDs
------------------------------------>
* Data distribution less envenly * Good balanced distribution of data
* Use less CPU and RAM * Use lot of CPU and RAM
No?
François Lafont
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