on a new ceph cluster with the same software and config (ansible) on
the old hardware. 2 replica, 1 host, 4 osd.
=> New hardware : 32.6MB/s READ / 10.5MiB WRITE
=> Old hardware : 184MiB/s READ / 46.9MiB WRITE
No discussion ? I suppose I will keep the old hardware. What do you
think ? :D
In fact I don't really believe in 184 MB/s random reads with Ceph with 4
OSDs, it's a very cool result if it's true.
Does the "new cluster on the old hardware" consist of only 1 host? Did
you test reads before you actually wrote anything into the image so it
was empty and reads were fast because of that?
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