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] [9.4% done] [ 10686/ 3486 kb/s] [eta 00m:29s] Threads: 3: [mmm] [12.1% done] [ 5579/ 8598 kb/s] [eta 00m:29s] Threads: 3: [mmm] [14.7% done] [ 8415/ 4461 kb/s] [eta 00m:29s] Threads: 3: [mmm] [17.6% done] [ 13905/ 0 kb/s] [eta 00m:28s] Threads: 3: [mmm] [20.6% done] [ 5619/ 8427 kb/s] [eta 00m:27s] Threads: 3: [mmm] [22.2% done] [ 5611/ 7025 kb/s] [eta 00m:28s] Threads: 3: [mmm] [24.3% done] [ 5083/ 6139 kb/s] [eta 00m:28s] Threads: 3: [mmm] [26.3% done] [ 9504/ 914 kb/s] [eta 00m:28s] Threads: 3: [mmm] [29.7% done] [ 2446/ 9967 kb/s] [eta 00m:26s] Threads: 3: [mmm] [32.4% done] [ 7781/ 3177 kb/s] [eta 00m:25s] Threads: 3: [mmm] [35.1% done] [ 6355/ 4421 kb/s] [eta 00m:24s] Threads: 3: [mmm] [37.8% done] [ 3628/ 8480 kb/s] [eta 00m:23s] Threads: 3: [mmm] [39.5% done] [ 5176/ 3275 kb/s] [eta 00m:23s] Threads: 3: [mmm] [41.0% done] [ 4266/ 5367 kb/s] [eta 00m:23s] Threads: 3: [mmm] [43.6% done] [ 3384/ 6627 kb/s] [eta 00m:22s] Threads: 3: [mmm] [45.0% done] [ 2820/ 6895 kb/s] [eta 00m:22s] Threads: 3: [mmm] [46.3% done] [ 6221/ 1861 kb/s] [eta 00m:22s] Threads: 3: [mmm] [48.8% done] [ 5688/ 1922 kb/s] [eta 00m:21s] Threads: 3: [mmm] [50.0% done] [ 5274/ 2299 kb/s] [eta 00m:21s] Threads: 3: [mmm] [52.4% done] [ 5912/ 1231 kb/s] [eta 00m:20s] Threads: 3: [mmm] [53.5% done] [ 4205/ 3571 kb/s] [eta 00m:20s] Threads: 3: [mmm] [53.3% done] [ 6822/ 885 kb/s] [eta 00m:21s] Threads: 3: [mmm] [53.2% done] [ 609/ 7497 kb/s] [eta 00m:22s] Threads: 3: [Vmm] [54.2% done] [ 6322/ 260 kb/s] [eta 00m:22s] Threads: 3: [Vmm] [54.0% done] [ 14811/ 390 kb/s] [eta 00m:23s] Threads: 3: [Vmm] [53.8% done] [ 14174/ 108 kb/s] [eta 00m:24s] Threads: 3: [Vmm] [54.7% done] [ 14696/ 248 kb/s] [eta 00m:24s] Threads: 2: [_mm] [55.6% done] [ 7716/ 0 kb/s] [eta 00m:24s] Threads: 2: [_mm] [57.4% done] [ 5000/ 3412 kb/s] [eta 00m:23s] Threads: 2: [_mV] [58.2% done] [ 14496/ 1956 kb/s] [eta 00m:23s] Threads: 2: [_mV] [57.9% done] [ 16792/ 0 kb/s] [eta 00m:24s] Threads: 1: [_m_] [58.6% done] [ 16724/ 608 kb/s] [eta 00m:24s] Threads: 1: [_m_] [62.5% done] [ 5060/ 1036 kb/s] [eta 00m:21s] Threads: 1: [_m_] [66.7% done] [ 2988/ 3544 kb/s] [eta 00m:18s] Threads: 1: [_V_] [75.5% done] [ 12884/ 4 kb/s] [eta 00m:12s] Threads: 1: [_V_] [84.4% done] [ 13972/ 0 kb/s] [eta 00m:07s] fio: (groupid=0): err= 0: pid=5100 read : io=100MiB, bw=3,554KiB/s, runt= 29500msec clat (msec): min= 0, max= 201, avg=10.87, stdev=14.19 bw (KiB/s) : min= 10, max=16441, per=51.75%, avg=4173.64, stdev=3956.63 write: io=43,208KiB, bw=1,686KiB/s, runt= 26237msec clat (msec): min= 0, max= 116, avg=12.08, stdev=13.61 bw (KiB/s) : min= 1, max= 7434, per=91.33%, avg=3123.42, stdev=2323.05 cpu : usr=3.65%, sys=0.15%, ctx=2449 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=31.9%, 4=7.0%, 10=17.7%, 20=20.5%, 50=21.3%, 100=1.2% lat (msec): 250=0.3%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5101 read : io=100MiB, bw=2,688KiB/s, runt= 39003msec clat (msec): min= 0, max= 211, avg=16.13, stdev=22.95 bw (KiB/s) : min= 7, max=16155, per=36.09%, avg=2910.56, stdev=3387.44 write: io=31,924KiB, bw=895KiB/s, runt= 36521msec clat (msec): min= 0, max= 139, avg=18.41, stdev=27.37 bw (KiB/s) : min= 1, max= 6915, per=49.94%, avg=1707.92, stdev=2089.76 cpu : usr=2.39%, sys=0.22%, ctx=2230 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=6.3%, 10=18.7%, 20=21.1%, 50=24.1%, 100=2.2% lat (msec): 250=3.6%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5102 read : io=100MiB, bw=3,057KiB/s, runt= 34300msec clat (msec): min= 0, max= 136, avg=12.43, stdev=19.08 bw (KiB/s) : min= 194, max=19090, per=49.56%, avg=3997.02, stdev=5098.18 write: io=46,848KiB, bw=1,520KiB/s, runt= 31545msec clat (msec): min= 0, max= 144, avg=16.07, stdev=20.95 bw (KiB/s) : min= 0, max= 6262, per=66.61%, avg=2277.93, stdev=1951.74 cpu : usr=2.85%, sys=0.12%, ctx=2392 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=27.8%, 4=7.4%, 10=18.2%, 20=21.5%, 50=21.8%, 100=0.9% lat (msec): 250=2.3%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=8,065KiB/s, minb=2,688KiB/s, maxb=3,554KiB/s, mint=29500msec, maxt=39003msec WRITE: io=119MiB, aggrb=3,420KiB/s, minb=895KiB/s, maxb=1,686KiB/s, mint=29500msec, maxt=39003msec Disk stats (read/write): sda: ios=5543/2351, merge=1011/358, ticks=85148/40576, in_queue=125724, util=98.64% 2.99user 0.27system 0:39.39elapsed 8%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+1086minor)pagefaults 0swaps