fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=sync, iodepth=1 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=sync, iodepth=1 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [mFF] [33.3% done] [ 1397/ 47721 kb/s] [eta 00m:06s] Threads: 3: [mFF] [36.4% done] [ 1056/ 0 kb/s] [eta 00m:07s] Threads: 3: [mFF] [35.7% done] [ 1450/ 0 kb/s] [eta 00m:09s] Threads: 3: [mFF] [66.7% done] [ 536/ 47286 kb/s] [eta 00m:03s] Threads: 3: [FFF] [100.0% done] [ 0/ 1708 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [70.0% done] [ 9378/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [71.4% done] [ 30065/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [76.2% done] [ 30821/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [81.0% done] [ 25725/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [90.0% done] [ 35754/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [100.0% done] [ 38627/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 36794/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 32621/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 30008/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=24206 read : io=100MiB, bw=4,564KiB/s, runt= 22973msec clat (msec): min= 0, max= 251, avg= 8.15, stdev=29.31 bw (KiB/s) : min= 2, max=20611, per=47.87%, avg=6533.42, stdev=6374.07 write: io=92,536KiB, bw=7,025KiB/s, runt= 13488msec clat (msec): min= 0, max= 48, avg= 0.07, stdev= 1.63 bw (KiB/s) : min= 0, max=10737, per=24.39%, avg=5368.50, stdev=7592.21 cpu : usr=5.47%, sys=1.45%, ctx=960 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=85.1%, 4=3.7%, 10=5.8%, 20=1.1%, 50=1.6%, 100=1.0% lat (msec): 250=1.6%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=24207 read : io=100MiB, bw=4,551KiB/s, runt= 23040msec clat (msec): min= 0, max= 444, avg= 6.25, stdev=28.88 bw (KiB/s) : min= 16, max=19748, per=64.88%, avg=8855.16, stdev=5441.19 write: io=95,152KiB, bw=7,219KiB/s, runt= 13496msec clat (msec): min= 0, max= 39, avg= 0.09, stdev= 1.57 bw (KiB/s) : min= 0, max=78610, per=119.45%, avg=26291.67, stdev=45309.20 cpu : usr=5.45%, sys=1.48%, ctx=887 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=85.0%, 4=4.0%, 10=6.7%, 20=1.3%, 50=1.6%, 100=0.3% lat (msec): 250=0.9%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=24208 read : io=100MiB, bw=4,549KiB/s, runt= 23047msec clat (msec): min= 0, max= 338, avg= 5.35, stdev=26.96 bw (KiB/s) : min= 18, max=29280, per=76.59%, avg=10453.47, stdev=7373.23 write: io=100MiB, bw=7,770KiB/s, runt= 13495msec clat (msec): min= 0, max= 77, avg= 0.23, stdev= 2.66 bw (KiB/s) : min= 0, max=117407, per=226.23%, avg=49793.33, stdev=60698.22 cpu : usr=5.24%, sys=1.51%, ctx=782 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=86.4%, 4=4.7%, 10=6.1%, 20=0.7%, 50=0.6%, 100=0.4% lat (msec): 250=0.9%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=13,649KiB/s, minb=4,549KiB/s, maxb=4,564KiB/s, mint=22973msec, maxt=23047msec WRITE: io=283MiB, aggrb=22,010KiB/s, minb=7,025KiB/s, maxb=7,770KiB/s, mint=22973msec, maxt=23047msec Disk stats (read/write): sda: ios=3231/1696, merge=1251/70772, ticks=80212/1807332, in_queue=1893404, util=99.34% 3.72user 1.03system 0:23.34elapsed 20%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1068minor)pagefaults 0swaps