Summary

Compute countcomputes OSD countOSD count Total Ceph disks countOSD_hdd_count

Random direct performance,
4KiB blocks

Operation IOPS +- conf% ~ dev%
Read
{direct_iops_r_max[0]} +- {direct_iops_r_max[1]} ~ {direct_iops_r_max[2]}
Write
{direct_iops_w_max[0]} +- {direct_iops_w_max[1]} ~ {direct_iops_w_max[2]}
          

Random direct performance,
16MiB blocks

Operation BW MiBps +- conf% ~ dev%
Read
{bw_read_max[0]} +- {bw_read_max[1]} ~ {bw_read_max[2]}
Write
{bw_write_max[0]} +- {bw_write_max[1]} ~ {bw_write_max[2]}
          

Maximal sync random write IOPS
for given latency, 4KiB

Latency ms IOPS
10
{rws4k_10ms}
30
{rws4k_30ms}
100
{rws4k_100ms}

{rand_read_4k} {rand_write_4k}
{rand_read_16m} {rand_write_16m}