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In practice, there will be multi-target per SSD, so it is important to measure the IOPS and latency with multiple concurrent threads (i.e. 2/4/8).
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# for t in 23 4f 8ff; do for i in `seq 0 8`; do echo $t $i; spdk_nvme_perf -V -r 'trtype:PCIe traddr:e20005:04:00.0' -q $((2**$i)) -o 4096 -w write -c 0x$t -t 60; done; done [...] |
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To provide results, the following spreadsheet should be filed with the output of this command that collects all the results:
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# for t in 1 23 4f 8ff; do for i in `seq 0 8`; do echo $t $i; spdk_nvme_perf -V -r 'trtype:PCIe traddr:e20005:04:00.0' -q $((2**$i)) -o 4096 -w write -c 0x$t -t 60; done; done [...] |