Ceph performance monitoring/tuning


Mar 16, 2021
When i create a new VM or bulk VMs request,I used to monitor here. I see write latency is high.

rbd perf image iostat
rbd perf image iotop

What is the accepted write latency, read latency, WR, RD?
What is the commit and approved latncy on "ceph osd perf" ?


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