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] [8.8% done] [ 5132/ 7648 kb/s] [eta 00m:31s] Threads: 3: [mmm] [11.8% done] [ 10644/ 2880 kb/s] [eta 00m:30s] Threads: 3: [mmm] [14.7% done] [ 4128/ 9320 kb/s] [eta 00m:29s] Threads: 3: [mmm] [17.1% done] [ 5784/ 6740 kb/s] [eta 00m:29s] Threads: 3: [mmm] [20.0% done] [ 11320/ 484 kb/s] [eta 00m:28s] Threads: 3: [mmm] [21.6% done] [ 3368/ 6596 kb/s] [eta 00m:29s] Threads: 3: [mmm] [24.3% done] [ 3016/ 8372 kb/s] [eta 00m:28s] Threads: 3: [mmm] [27.8% done] [ 3104/ 9668 kb/s] [eta 00m:26s] Threads: 3: [mmm] [28.9% done] [ 6804/ 2004 kb/s] [eta 00m:27s] Threads: 3: [mmm] [31.6% done] [ 3720/ 7456 kb/s] [eta 00m:26s] Threads: 3: [mmm] [34.2% done] [ 2264/ 9244 kb/s] [eta 00m:25s] Threads: 3: [mmm] [36.8% done] [ 3272/ 5660 kb/s] [eta 00m:24s] Threads: 3: [mmm] [38.5% done] [ 4732/ 5300 kb/s] [eta 00m:24s] Threads: 3: [mmm] [40.0% done] [ 5596/ 2480 kb/s] [eta 00m:24s] Threads: 3: [mmm] [42.5% done] [ 5304/ 4048 kb/s] [eta 00m:23s] Threads: 3: [mmm] [45.0% done] [ 5532/ 2940 kb/s] [eta 00m:22s] Threads: 3: [mmm] [46.3% done] [ 3796/ 4788 kb/s] [eta 00m:22s] Threads: 3: [mmm] [47.6% done] [ 4284/ 3532 kb/s] [eta 00m:22s] Threads: 3: [mmm] [48.8% done] [ 4528/ 3040 kb/s] [eta 00m:22s] Threads: 3: [mmm] [51.2% done] [ 3692/ 4176 kb/s] [eta 00m:21s] Threads: 3: [mmm] [52.3% done] [ 4912/ 1728 kb/s] [eta 00m:21s] Threads: 3: [mmm] [53.3% done] [ 4396/ 2880 kb/s] [eta 00m:21s] Threads: 3: [mmm] [54.3% done] [ 2708/ 5248 kb/s] [eta 00m:21s] Threads: 3: [mmm] [55.3% done] [ 5748/ 2496 kb/s] [eta 00m:21s] Threads: 3: [Vmm] [55.1% done] [ 3492/ 2880 kb/s] [eta 00m:22s] Threads: 3: [Vmm] [56.0% done] [ 16808/ 732 kb/s] [eta 00m:22s] Threads: 3: [Vmm] [55.8% done] [ 17376/ 624 kb/s] [eta 00m:23s] Threads: 2: [Emm] [56.6% done] [ 20224/ 320 kb/s] [eta 00m:23s] Threads: 2: [_mm] [58.5% done] [ 7172/ 0 kb/s] [eta 00m:22s] Threads: 2: [_mm] [60.4% done] [ 1248/ 6712 kb/s] [eta 00m:21s] Threads: 2: [_mm] [60.7% done] [ 4120/ 4044 kb/s] [eta 00m:22s] Threads: 2: [_Vm] [61.4% done] [ 13944/ 0 kb/s] [eta 00m:22s] Threads: 2: [_Vm] [62.1% done] [ 16556/ 0 kb/s] [eta 00m:22s] Threads: 2: [_Vm] [62.7% done] [ 15532/ 64 kb/s] [eta 00m:22s] Threads: 1: [__V] [67.9% done] [ 2304/ 6988 kb/s] [eta 00m:18s] Threads: 1: [__V] [79.6% done] [ 18264/ 0 kb/s] [eta 00m:10s] Threads: 1: [__V] [93.0% done] [ 21272/ 0 kb/s] [eta 00m:03s] fio: (groupid=0): err= 0: pid=5113 read : io=100MiB, bw=3,405KiB/s, runt= 30787msec clat (msec): min= 0, max= 143, avg=10.01, stdev=13.00 bw (KiB/s) : min= 1, max=21684, per=59.54%, avg=4618.82, stdev=5523.63 write: io=53,724KiB, bw=1,989KiB/s, runt= 27647msec clat (msec): min= 0, max= 136, avg=15.44, stdev=13.54 bw (KiB/s) : min= 0, max= 8083, per=67.66%, avg=2769.41, stdev=2024.00 cpu : usr=3.40%, sys=0.30%, ctx=2427 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=31.7%, 4=6.8%, 10=15.3%, 20=19.1%, 50=25.9%, 100=0.8% lat (msec): 250=0.2%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5114 read : io=100MiB, bw=2,828KiB/s, runt= 37067msec clat (msec): min= 0, max= 138, avg=13.14, stdev=17.29 bw (KiB/s) : min= 3, max=19071, per=44.50%, avg=3451.74, stdev=4363.83 write: io=45,048KiB, bw=1,361KiB/s, runt= 33890msec clat (msec): min= 0, max= 133, avg=15.92, stdev=23.82 bw (KiB/s) : min= 0, max= 8052, per=47.08%, avg=1926.91, stdev=2085.63 cpu : usr=2.74%, sys=0.26%, ctx=2501 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=32.8%, 4=5.4%, 10=14.5%, 20=18.0%, 50=26.4%, 100=1.0% lat (msec): 250=1.9%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5115 read : io=100MiB, bw=2,585KiB/s, runt= 40550msec clat (msec): min= 0, max= 173, avg=14.48, stdev=23.50 bw (KiB/s) : min= 32, max=23838, per=42.32%, avg=3282.55, stdev=5640.33 write: io=52,608KiB, bw=1,422KiB/s, runt= 37869msec clat (msec): min= 0, max= 139, avg=16.55, stdev=20.91 bw (KiB/s) : min= 1, max= 9314, per=50.47%, avg=2065.82, stdev=2157.91 cpu : usr=2.41%, sys=0.21%, ctx=2547 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=31.6%, 4=6.1%, 10=14.4%, 20=18.5%, 50=24.8%, 100=1.3% lat (msec): 250=3.1%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=7,757KiB/s, minb=2,585KiB/s, maxb=3,405KiB/s, mint=30787msec, maxt=40550msec WRITE: io=148MiB, aggrb=4,093KiB/s, minb=1,361KiB/s, maxb=1,989KiB/s, mint=30787msec, maxt=40550msec Disk stats (read/write): sda: ios=5520/2786, merge=742/399, ticks=81580/54184, in_queue=133244, util=98.50% 3.04user 0.37system 0:41.08elapsed 8%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+1098minor)pagefaults 0swaps