Am I reading the iostat command output correctly?

# rpm -qf `which iostat`sysstat-11.7.3-6.el8.x86_64
# cat /proc/diskstats259       0 nvme1n1 147 0 6536 2888 0 0 0 0 0 798 2888 0 0 0 0259       1 nvme0n1 33608 16 1588184 382879 2001 376 142595 20368 0 195069 403248 0 0 0 0259       2 nvme0n1p1 41 0 328 402 0 0 0 0 0 331 402 0 0 0 0259       3 nvme0n1p2 33524 16 1585472 382298 2001 376 142595 20368 0 195013 402667 0 0 0 0
cat /sys/block/nvme0n1/queue/scheduler[none] mq-deadline kyber bfq
/sys/block/nvme0n1/queue/nr_requests

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