Hi Matthias, Prometheus exporter already have all this metrics, you can setup Grafana panels as you want Also, the apply latency in a metric for a pre-bluestore, i.e. filestore For Bluestore apply latency is the same as commit latency, you can check this via `ceph osd perf` command
k > On 25 Mar 2023, at 00:02, Matthias Ferdinand <mf+ml.ceph@xxxxxxxxx> wrote: > > Hi, > > I would like to understand how the per-OSD data from "ceph osd perf" > (i.e. apply_latency, commit_latency) is generated. So far I couldn't > find documentation on this. "ceph osd perf" output is nice for a quick > glimpse, but is not very well suited for graphing. Output values are > from the most recent 5s-averages apparently. > > With "ceph daemon osd.X perf dump" OTOH, you get quite a lot of latency > metrics, while it is just not obvious to me how they aggregate into > apply_latency and commit_latency. Or some comparably easy read latency > metric (something that is missing completely in "ceph osd perf"). > > Can somebody shed some light on this? > > > Regards > Matthias > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx
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