In general, RBD "fancy" striping can help under certain workloads where small 
IO would normally be hitting the same object (e.g. small sequential IO). 

-- 

Jason Dillaman 


----- Original Message -----
> From: "Alwin Antreich" <sysadmin-c...@cognitec.com>
> To: ceph-users@lists.ceph.com
> Sent: Thursday, April 7, 2016 2:48:45 PM
> Subject: [ceph-users] ceph striping
> 
> Hi All,
> 
> first I wanted to say hello, as I am new to the list.
> 
> Secondly, we want to use ceph for VM disks and cephfs for our source
> code, image data, login directories, etc.
> 
> I would like to know, if striping would improve performance if we would
> set something like the following and move away from the defaults?
> 
> size = 4 MB
> stripe_unit = 512KB
> stripe_count = 8
> 
> http://docs.ceph.com/docs/master/man/8/rbd/#striping
> 
> Thanks in advance.
> 
> Best regards,
> Alwin
> _______________________________________________
> ceph-users mailing list
> ceph-users@lists.ceph.com
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
> 
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