Re: [ceph-users] ceph striping

2016-04-12 Thread Christian Balzer
On Tue, 12 Apr 2016 10:53:50 +0200 Alwin Antreich wrote: > > On 04/12/2016 01:48 AM, Christian Balzer wrote: > > On Mon, 11 Apr 2016 09:25:35 -0400 (EDT) Jason Dillaman wrote: > > > > > In general, RBD "fancy" striping can help under certain workloads > > > where small IO would normally be hittin

Re: [ceph-users] ceph striping

2016-04-12 Thread Alwin Antreich
On 04/12/2016 01:48 AM, Christian Balzer wrote: > On Mon, 11 Apr 2016 09:25:35 -0400 (EDT) Jason Dillaman wrote: > > > 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). > > > > While the ab

Re: [ceph-users] ceph striping

2016-04-11 Thread Christian Balzer
On Mon, 11 Apr 2016 09:25:35 -0400 (EDT) Jason Dillaman wrote: > 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). > While the above is very true (especially for single/few clients), I never

Re: [ceph-users] ceph striping

2016-04-11 Thread Jason Dillaman
nt: 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.

[ceph-users] ceph striping

2016-04-07 Thread Alwin Antreich
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