> Am 14.08.2017 um 20:39 schrieb Waschbüsch IT-Services GmbH > <serv...@waschbuesch.it>: > > Hi all, > > In API2/Ceph.pm > > osd latency information are read from the output of $get_osd_usage sub by > running the monitor command 'pg dump'. > I don't know if this used to contain the latency information for each osd, > but it does not in the current (luminous) tree. > > I guess the information needs to be got from the output of 'osd perf'. > So, I guess this *should* do the trick. However, I do not have a development > cluster up and running, so apologies for not being able to test this.
Correcting myself here: ceph pg dump -f json does contain the perf data. the plain text version (without -f json) does not. Be that as it may, the problem I have which lead me to have a look at it is: in the UI *all* my osds show a latency of 0. Using the shell, they don't. I'll keep looking, but perhaps someone else has an idea? Martin
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