Hey all, I'm currently pouring through the ceph docs trying to familiarize
myself with the product before I begin my cluster build-out for a virtualized
environment. One area which I've been looking into is disk
throughput/performance.
I stumbled onto the following site:
Hi John,
The 50/50 thing comes from the way the Ceph OSD writes data twice:
first to the journal, and then subsequently to the data partition.
The write doubling may not affect your performance outcome, depending
on the ratio of drive bandwidth to network bandwidth and the I/O
pattern. In
