Hi guys,
we recently got new hardware with NVME disks (Samsung MZPLL3T2HAJQ) and i am trying to figure out, how to get the most of them. Vendor states 180k for 4k random writes and my fio testing was 160K (fine by me).
I built an bluestore OSD on top of that (WAL, DB, Data all on the same disk) and executed an osd benchmark:
ceph tell osd.49 bench 1000000 4096
{
"bytes_written": 1000000,
"blocksize": 4096,
"elapsed_sec": 0.0057061159999999998,
"bytes_per_sec": 175250555.71951219,
"iops": 42785.780204959032
}
Are this reasonable results and i just need to put more than one OSD on the nvme disks to get most out of it?
We are currentliy running Nautilus (but will upgrade to pacific in the near future). Will pacific give an performance boost in regards to IOPS?
Best regards
Felix
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