fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [mmF] [30.0% done] [ 5720/ 70976 kb/s] [eta 00m:07s] Threads: 3: [FmF] [50.0% done] [ 1772/ 34944 kb/s] [eta 00m:04s] Threads: 3: [FmF] [71.4% done] [ 988/ 22524 kb/s] [eta 00m:02s] Threads: 3: [FFF] [100.0% done] [ 0/ 2832 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: 2: [VV_] [70.0% done] [ 2688/ 0 kb/s] [eta 00m:06s] Threads: 2: [VV_] [71.4% done] [ 27652/ 0 kb/s] [eta 00m:06s] Threads: 2: [VV_] [80.0% done] [ 20572/ 0 kb/s] [eta 00m:04s] Threads: 2: [VV_] [94.4% done] [ 33112/ 0 kb/s] [eta 00m:01s] Threads: 2: [VV_] [100.0% done] [ 32124/ 0 kb/s] [eta 00m:00s] Threads: 2: [VV_] [100.0% done] [ 31252/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=15936 read : io=100MiB, bw=5,138KiB/s, runt= 20405msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 634, avg=39.64, stdev=71.29 bw (KiB/s) : min= 7, max=20203, per=100.69%, avg=10346.82, stdev=7587.34 write: io=91,344KiB, bw=6,624KiB/s, runt= 14120msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 190, avg= 1.04, stdev= 8.58 bw (KiB/s) : min= 0, max=20852, per=51.80%, avg=10426.00, stdev=14744.59 cpu : usr=3.74%, sys=2.12%, ctx=4928 IO depths : 1=1.7%, 2=54.8%, 4=29.9%, 8=13.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=47.6%, 4=1.0%, 10=19.9%, 20=14.1%, 50=6.9%, 100=2.0% lat (msec): 250=7.4%, 500=0.6%, 750=0.3%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=15937 read : io=100MiB, bw=5,278KiB/s, runt= 19862msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 401, avg=45.12, stdev=73.49 bw (KiB/s) : min= 0, max=25812, per=88.99%, avg=9144.55, stdev=7053.27 write: io=83,800KiB, bw=6,077KiB/s, runt= 14120msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 319, avg= 2.55, stdev=22.74 bw (KiB/s) : min= 0, max=29912, per=79.59%, avg=16019.67, stdev=15069.04 cpu : usr=3.40%, sys=1.71%, ctx=4968 IO depths : 1=1.7%, 2=52.8%, 4=30.0%, 8=15.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=47.7%, 4=0.3%, 10=18.7%, 20=12.9%, 50=8.4%, 100=2.3% lat (msec): 250=7.3%, 500=2.2%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=15938 read : io=0KiB, bw=0KiB/s, runt= 14180msec write: io=100MiB, bw=7,428KiB/s, runt= 14116msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 3, avg= 0.18, stdev= 0.39 bw (KiB/s) : min= 0, max=129032, per=320.54%, avg=64516.00, stdev=91239.40 cpu : usr=5.75%, sys=1.97%, ctx=3193 IO depths : 1=0.2%, 2=99.0%, 4=0.8%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=99.4%, 4=0.1%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0% lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=200MiB, aggrb=10,276KiB/s, minb=0KiB/s, maxb=5,278KiB/s, mint=14180msec, maxt=20405msec WRITE: io=271MiB, aggrb=20,127KiB/s, minb=6,077KiB/s, maxb=7,428KiB/s, mint=14180msec, maxt=20405msec Disk stats (read/write): sda: ios=2505/1786, merge=899/67596, ticks=37008/1852740, in_queue=1889744, util=98.59% 2.32user 1.11system 0:20.71elapsed 16%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2450minor)pagefaults 0swaps