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1 | # io_uring_cmd I/O engine for nvme-ns generic character device with FDP enabled |
2 | # This assumes the namespace is already configured with FDP support and has at | |
3 | # least 8 available reclaim units. | |
4 | # | |
5 | # Each job targets different ranges of LBAs with different placement | |
6 | # identifiers, and has different write intensity. | |
7 | ||
8 | [global] | |
9 | filename=/dev/ng0n1 | |
10 | ioengine=io_uring_cmd | |
11 | cmd_type=nvme | |
12 | iodepth=32 | |
13 | bs=4K | |
14 | fdp=1 | |
15 | time_based=1 | |
16 | runtime=1000 | |
17 | ||
18 | [write-heavy] | |
19 | rw=randrw | |
20 | rwmixwrite=90 | |
21 | fdp_pli=0,1,2,3 | |
22 | offset=0% | |
23 | size=30% | |
24 | ||
25 | [write-mid] | |
26 | rw=randrw | |
27 | rwmixwrite=30 | |
28 | fdp_pli=4,5 | |
29 | offset=30% | |
30 | size=30% | |
31 | ||
32 | [write-light] | |
33 | rw=randrw | |
34 | rwmixwrite=10 | |
35 | fdp_pli=6 | |
36 | offset=60% | |
37 | size=30% |