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: [mFm] [75.0% done] [ 6306/ 58575 kb/s] [eta 00m:01s] Threads: 3: [mFF] [66.7% done] [ 4132/ 0 kb/s] [eta 00m:02s] Threads: 3: [mFF] [71.4% done] [ 414/ 0 kb/s] [eta 00m:02s] Threads: 3: [mFF] [66.7% done] [ 381/ 0 kb/s] [eta 00m:03s] Threads: 3: [mFF] [70.0% done] [ 239/ 1779 kb/s] [eta 00m:03s] Threads: 3: [FFF] [100.0% done] [ 0/ 1804 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: [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] [68.0% done] [ 2730/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [69.2% done] [ 21211/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [73.1% done] [ 29570/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [83.3% done] [ 28993/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [87.5% done] [ 31780/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVV] [95.7% done] [ 38741/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVV] [100.0% done] [ 33471/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 36010/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 27871/ 0 kb/s] [eta 00m:00s] Threads: 1: [__V] [100.0% done] [ 28598/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=22100 read : io=100MiB, bw=3,990KiB/s, runt= 26277msec clat (msec): min= 0, max= 316, avg= 8.59, stdev=31.28 bw (KiB/s) : min= 0, max=22126, per=52.44%, avg=6220.31, stdev=6437.06 write: io=94,288KiB, bw=5,666KiB/s, runt= 17039msec clat (msec): min= 0, max= 77, avg= 0.13, stdev= 2.91 bw (KiB/s) : min= 0, max=115392, per=275.98%, avg=46434.00, stdev=56683.70 cpu : usr=4.72%, sys=1.40%, ctx=928 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=83.2%, 4=4.6%, 10=6.3%, 20=1.7%, 50=1.3%, 100=1.3% lat (msec): 250=1.4%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=22101 read : io=100MiB, bw=4,011KiB/s, runt= 26141msec clat (msec): min= 0, max= 247, avg= 6.29, stdev=26.37 bw (KiB/s) : min= 6, max=19464, per=70.97%, avg=8418.67, stdev=6296.50 write: io=95,528KiB, bw=5,742KiB/s, runt= 17035msec clat (msec): min= 0, max= 26, avg= 0.11, stdev= 1.28 bw (KiB/s) : min= 0, max=117456, per=308.97%, avg=51985.00, stdev=59878.06 cpu : usr=4.67%, sys=1.25%, ctx=947 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=81.6%, 4=4.7%, 10=8.7%, 20=2.0%, 50=1.4%, 100=0.4% lat (msec): 250=1.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=22102 read : io=100MiB, bw=3,954KiB/s, runt= 26519msec clat (msec): min= 0, max= 257, avg= 7.11, stdev=27.67 bw (KiB/s) : min= 8, max=16082, per=61.42%, avg=7285.61, stdev=5307.83 write: io=90,156KiB, bw=5,419KiB/s, runt= 17035msec clat (msec): min= 0, max= 47, avg= 0.15, stdev= 1.88 bw (KiB/s) : min= 0, max=15730, per=46.75%, avg=7865.00, stdev=11122.79 cpu : usr=4.57%, sys=1.06%, ctx=1027 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=80.7%, 4=5.4%, 10=8.3%, 20=2.2%, 50=1.4%, 100=0.5% lat (msec): 250=1.3%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,862KiB/s, minb=3,954KiB/s, maxb=4,011KiB/s, mint=26141msec, maxt=26519msec WRITE: io=273MiB, aggrb=16,825KiB/s, minb=5,419KiB/s, maxb=5,742KiB/s, mint=26141msec, maxt=26519msec Disk stats (read/write): sda: ios=3589/2724, merge=1311/67048, ticks=82884/2104292, in_queue=2187968, util=99.13% 3.67user 1.05system 0:26.84elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1077minor)pagefaults 0swaps