[poisson-rate-submit] | |
size=128m | |
rw=randread | |
ioengine=libaio | |
iodepth=32 | |
direct=1 | |
# by setting the submit mode to offload, we can guarantee a fixed rate of | |
# submission regardless of what the device completion rate is. | |
io_submit_mode=offload | |
rate_iops=50 | |
# Real world random request flow follows Poisson process. To give better | |
# insight on latency distribution, we simulate request flow under Poisson | |
# process. | |
rate_process=poisson |