On Mon, 28 Jul 2014, James Eckersall wrote: > Hi, > I'm trying to understand what a lot of the values mean that are reported by > "perf dump" on the ceph admin socket. ?I have a collectd plugin which sends > all of these values to graphite. > > Does anyone have a cross-reference list that explains what they are in more > detail? ?You can glean so much from the names, but I'm struggling to > determine what alot of them are. > > One in particular, I'm trying to graph the client ops across the cluster > (similar to what ceph -w reports). ?Does anyone know which values are used > to generate this figure? op (which is op_r + op_w). There's also op_bytes for throughput. There isn't a nice document describing them all, unfortunately. I think we want do that properly when we do it at all, though. There was a discussion during the giant CDS about this, FWIW, but nobody has picked it up yet. sage