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CEPH performance monitoring

basic info

ceph -s
ceph -w
ceph df
ceph osd df tree
 
==== perf ====
 
<code bash>
ceph iostat
 
rbd perf image iostat  # and wait 30 sec
rbd perf image iotop   # and wait 30 sec
 
rbd du

https://ceph.io/community/new-mimic-iostat-plugin/