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
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