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: [mmm] [8.1% done] [ 9057/ 2832 kb/s] [eta 00m:34s] Threads: 3: [mmm] [10.8% done] [ 5489/ 8187 kb/s] [eta 00m:33s] Threads: 3: [mmm] [13.5% done] [ 10077/ 2750 kb/s] [eta 00m:32s] Threads: 3: [mmm] [16.7% done] [ 12865/ 300 kb/s] [eta 00m:30s] Threads: 3: [mmm] [18.9% done] [ 6977/ 4441 kb/s] [eta 00m:30s] Threads: 3: [mmm] [20.5% done] [ 6989/ 3299 kb/s] [eta 00m:31s] Threads: 3: [mmm] [23.1% done] [ 12113/ 0 kb/s] [eta 00m:30s] Threads: 3: [mmm] [25.0% done] [ 4132/ 5091 kb/s] [eta 00m:30s] Threads: 3: [mmm] [27.5% done] [ 3250/ 6940 kb/s] [eta 00m:29s] Threads: 3: [mmm] [30.0% done] [ 4957/ 6794 kb/s] [eta 00m:28s] Threads: 3: [mmm] [32.5% done] [ 3868/ 6684 kb/s] [eta 00m:27s] Threads: 3: [mmm] [35.0% done] [ 5315/ 4896 kb/s] [eta 00m:26s] Threads: 3: [mmm] [36.6% done] [ 4526/ 5550 kb/s] [eta 00m:26s] Threads: 3: [mmm] [38.1% done] [ 7265/ 1548 kb/s] [eta 00m:26s] Threads: 3: [mmm] [40.5% done] [ 7814/ 1158 kb/s] [eta 00m:25s] Threads: 3: [mmm] [41.9% done] [ 5054/ 3559 kb/s] [eta 00m:25s] Threads: 3: [mmm] [44.2% done] [ 7159/ 1592 kb/s] [eta 00m:24s] Threads: 3: [mmm] [45.5% done] [ 7793/ 719 kb/s] [eta 00m:24s] Threads: 3: [mmm] [46.7% done] [ 4750/ 2490 kb/s] [eta 00m:24s] Threads: 3: [mmm] [48.9% done] [ 6383/ 593 kb/s] [eta 00m:23s] Threads: 3: [mmm] [50.0% done] [ 6353/ 963 kb/s] [eta 00m:23s] Threads: 3: [mmm] [52.2% done] [ 3972/ 3000 kb/s] [eta 00m:22s] Threads: 3: [mmm] [53.2% done] [ 1412/ 6076 kb/s] [eta 00m:22s] Threads: 3: [mmm] [54.2% done] [ 1816/ 5756 kb/s] [eta 00m:22s] Threads: 3: [mmm] [55.1% done] [ 4532/ 2596 kb/s] [eta 00m:22s] Threads: 3: [mmm] [56.0% done] [ 5352/ 1876 kb/s] [eta 00m:22s] Threads: 3: [mmm] [56.9% done] [ 6016/ 492 kb/s] [eta 00m:22s] Threads: 3: [Vmm] [56.6% done] [ 9468/ 436 kb/s] [eta 00m:23s] Threads: 3: [Vmm] [56.4% done] [ 16868/ 164 kb/s] [eta 00m:24s] Threads: 3: [Vmm] [57.1% done] [ 15712/ 964 kb/s] [eta 00m:24s] Threads: 2: [_mm] [57.9% done] [ 8228/ 3124 kb/s] [eta 00m:24s] Threads: 2: [_mV] [58.6% done] [ 9048/ 576 kb/s] [eta 00m:24s] Threads: 2: [_mV] [60.3% done] [ 9980/ 544 kb/s] [eta 00m:23s] Threads: 2: [_mV] [63.2% done] [ 10192/ 1564 kb/s] [eta 00m:21s] Threads: 2: [_mV] [66.1% done] [ 8924/ 1460 kb/s] [eta 00m:19s] Threads: 1: [_V_] [71.7% done] [ 9752/ 1160 kb/s] [eta 00m:15s] Threads: 1: [_V_] [81.2% done] [ 13188/ 0 kb/s] [eta 00m:09s] fio: (groupid=0): err= 0: pid=13518 read : io=100MiB, bw=3,176KiB/s, runt= 33011msec clat (msec): min= 0, max= 153, avg=12.23, stdev=14.94 bw (KiB/s) : min= 11, max=17529, per=51.59%, avg=4035.00, stdev=4567.48 write: io=44,712KiB, bw=1,528KiB/s, runt= 29959msec clat (msec): min= 0, max= 118, avg=16.42, stdev=12.51 bw (KiB/s) : min= 0, max= 6038, per=87.12%, avg=2386.10, stdev=1930.84 cpu : usr=2.93%, sys=0.22%, ctx=2315 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=24.6%, 4=7.2%, 10=16.5%, 20=20.5%, 50=29.5%, 100=1.2% lat (msec): 250=0.4%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=13519 read : io=100MiB, bw=2,607KiB/s, runt= 40221msec clat (msec): min= 0, max= 175, avg=17.25, stdev=22.24 bw (KiB/s) : min= 7, max=14107, per=39.38%, avg=3079.76, stdev=3063.05 write: io=27,288KiB, bw=734KiB/s, runt= 38051msec clat (msec): min= 0, max= 154, avg=17.67, stdev=25.84 bw (KiB/s) : min= 0, max= 5674, per=61.99%, avg=1697.93, stdev=1933.73 cpu : usr=2.16%, sys=0.25%, ctx=2212 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=23.9%, 4=6.4%, 10=15.6%, 20=17.0%, 50=32.2%, 100=1.6% lat (msec): 250=3.1%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=13520 read : io=100MiB, bw=2,765KiB/s, runt= 37914msec clat (msec): min= 0, max= 169, avg=16.52, stdev=19.78 bw (KiB/s) : min= 9, max=10833, per=39.51%, avg=3089.80, stdev=2294.33 write: io=29,800KiB, bw=898KiB/s, runt= 33967msec clat (msec): min= 0, max= 135, avg=19.50, stdev=24.73 bw (KiB/s) : min= 0, max= 4207, per=52.57%, avg=1439.88, stdev=1438.81 cpu : usr=2.38%, sys=0.19%, ctx=2097 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=20.1%, 4=5.9%, 10=15.3%, 20=21.9%, 50=33.0%, 100=1.1% lat (msec): 250=2.6%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=7,821KiB/s, minb=2,607KiB/s, maxb=3,176KiB/s, mint=33011msec, maxt=40221msec WRITE: io=99MiB, aggrb=2,739KiB/s, minb=734KiB/s, maxb=1,528KiB/s, mint=33011msec, maxt=40221msec Disk stats (read/write): sda: ios=5470/1922, merge=1003/277, ticks=96424/38780, in_queue=135204, util=99.00% 2.79user 0.41system 0:40.56elapsed 7%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+1086minor)pagefaults 0swaps