rook-ceph-kernel-mounted.md

3 replicas on 3 azs

$ while true; do echo; echo copy; echo; time (dd if=/tmp/debian-9.7.0-amd64-DVD-1.iso of=debian-9.7.0-amd64-DVD-1.iso bs=4M; sync); echo; echo rm; echo; time (rm -f debian-9.7.0-amd64-DVD-1.iso ; sync); done

copy

863+1 records in
863+1 records out
3620339712 bytes (3.6 GB, 3.4 GiB) copied, 3.35944 s, 1.1 GB/s

real    0m8.399s
user    0m0.001s
sys    0m2.246s

rm


real    0m0.008s
user    0m0.002s
sys    0m0.000s

copy

863+1 records in
863+1 records out
3620339712 bytes (3.6 GB, 3.4 GiB) copied, 3.85266 s, 940 MB/s

real    0m11.623s
user    0m0.019s
sys    0m2.130s

rm


real    0m0.008s
user    0m0.002s
sys    0m0.001s

copy

863+1 records in
863+1 records out
3620339712 bytes (3.6 GB, 3.4 GiB) copied, 3.64239 s, 994 MB/s

real    0m8.361s
user    0m0.005s
sys    0m2.146s

rm


real    0m0.013s
user    0m0.002s
sys    0m0.000s