I'm running a Ceph cluster at the moment on Atom CPU's with 4GB of RAM,
each machine has 4x2TB (4 OSD's in total) and uses about ~800MB of RAM,
the other 3.2GB is used for caching.
Hi Wido,
would you recommend a Atom CPU for an OSD? At the moment I'm looking at
this mainboard
http://www.supermicro.com/products/motherboard/ATOM/ICH9/X7SPA.cfm?typ=H&IPMI=Y,
I want to use it with 6 disks.
The 800MB your machine uses is for all 4 OSD's together? Do you have any
numbers for the CPU utilization?
I'm looking for the sweetspot of max IO-OPs/s per watt.
Thanks in advance.
martin
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