We have a CEPH storage cluster which is having problems.
When I run a rados bench I get the behaviour below. Has anyone seen this
sort of thing before?
# rados bench -p scbench 10 seq
hints = 1
sec Cur ops started finished avg MB/s cur MB/s last lat(s) avg
lat(s)
0 0 0 0 0 0 -
0
1 16 57 41 163.379 164 0.102551
0.277302
2 16 102 86 171.653 180 0.0297766
0.273388
3 16 138 122 162.434 144 0.89867
0.313735
4 16 172 156 155.82 136 0.0203412
0.327505
5 16 205 189 151.04 132 0.0997663
0.304306
6 16 246 230 153.186 164 0.0606922
0.263446
7 16 269 253 144.444 92 0.0339286
0.247406
8 16 269 253 126.4 0 -
0.247406
9 16 269 253 112.363 0 -
0.247406
10 16 269 253 101.132 0 -
0.247406
11 16 269 253 91.9418 0 -
0.247406
12 16 269 253 84.283 0 -
0.247406
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