On Sun, Nov 25, 2012 at 11:32 AM, Stefan Priebe <s.priebe@xxxxxxxxxxxx> wrote: > Hi Greg, > > Am 25.11.2012 20:08, schrieb Gregory Farnum: > >> On Sunday, November 25, 2012 at 10:26 AM, Stefan Priebe wrote: >>> >>> Hello list, >>> >>> are there any useful statistics for ceph? ceph -s shows just the status >>> but i would like to record something which gives me an idea about the >>> ceph load or usage. >> >> >> Each daemon has an admin socket which you can use to extract >> "perfcounters" (performance counters). It's not well-documented at all right >> now, unfortunately. >> "ceph --admin-daemon /path/to/admin/socket help" >> "ceph --admin-daemon /path/to/admin/socket perfcounters_dump" >> >> "ceph --admin-daemon /path/to/admin/socket perfcounters_schema" >> >> should get you started. >> http://ceph.com/docs/master/radosgw/troubleshooting has some examples of >> troubleshooting the gateway with them. > > > thanks! I don't use radosgw. Just ceph-mon and ceph-osd with rbd block > devices. > > So i have to query each OSD on their own? That's how it stands at present, yep. > Right now i have > [global] > admin socket=/var/run/ceph.sock > > but that gives: > # ceph --admin-daemon /var/run/ceph.sock perfcounters_schema > {} Hrm, I'm getting a full schema out of it when I test locally. I suspect that maybe you're trying to query the admin tool's socket when you do that — everybody, including the client tools, will export one if it's set for them. Try using the $name metavariable as part of the path. -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
