Re: [ceph-users] Ceph luminous performance - how to calculate expected results

2018-02-14 Thread Maged Mokhtar
On 2018-02-14 20:14, Steven Vacaroaia wrote: > Hi, > > It is very useful to "set up expectations" from a performance perspective > > I have a cluster using 3 DELL R620 with 64 GB RAM and 10 GB cluster network > > I've seen numerous posts and articles about the topic mentioning the >

[ceph-users] Ceph luminous performance - how to calculate expected results

2018-02-14 Thread Steven Vacaroaia
Hi, It is very useful to "set up expectations" from a performance perspective I have a cluster using 3 DELL R620 with 64 GB RAM and 10 GB cluster network I've seen numerous posts and articles about the topic mentioning the following formula ( for disks WAL/DB on it ) OSD / replication / 2