On Thu, Apr 23, 2015 at 6:58 AM, Deneau, Tom <tom.deneau@xxxxxxx> wrote: > While running ceph tell osd bench and playing around with the total_bytes and block_size parameters, > I have noticed that if the total_bytes written is less than about 0.5G, the bytes/sec is much higher. > Why is that? It's probably only writing the data into the journal at that size. I'm a bit surprised because I thought the osd bench took care to only provide stable numbers, but maybe it's just using well-chosen defaults and at half a gig you're running well below them. -Greg -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
