Hi Team,
Our team is currently working on project named "tendrl" [1][2].
Tendrl is a management platform for software defined storage system like
Ceph, Gluster etc.
As part of tendrl we are integrating with collectd to collect
performance data and we maintain the time series data in graphite.
I have a question at this juncture regarding pool utilization data.
As our thought process goes, we think of using output from command "ceph
df" and parse it to figure out pool utilization data and push it to
graphite using collectd.
The question here is what is/would be performance impact of running
"ceph df" command on ceph nodes. We should be running this command only
on mon nodes I feel.
Wanted to verify with the team here if this thought process is in right
direction and if so what ideally should be frequency of running the
command "ceph df" from collectd.
This is just from our point of view and we are open to any other
foolproof solution (if any).
Kindly guide us.
Regards,
Shubhendu Tripathi
[1] http://tendrl.org/
[2] https://github.com/tendrl/
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