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] [8.6% done] [ 7191/ 9109 kb/s] [eta 00m:32s] Threads: 3: [mmm] [11.4% done] [ 10468/ 4958 kb/s] [eta 00m:31s] Threads: 3: [mmm] [13.5% done] [ 10704/ 4131 kb/s] [eta 00m:32s] Threads: 3: [mmm] [15.4% done] [ 6025/ 8526 kb/s] [eta 00m:33s] Threads: 3: [mmm] [18.4% done] [ 7995/ 7392 kb/s] [eta 00m:31s] Threads: 3: [mmm] [20.5% done] [ 7231/ 6321 kb/s] [eta 00m:31s] Threads: 3: [mmm] [22.0% done] [ 8668/ 2240 kb/s] [eta 00m:32s] Threads: 3: [mmm] [25.6% done] [ 5041/ 9141 kb/s] [eta 00m:29s] Threads: 3: [mmm] [28.9% done] [ 7038/ 6049 kb/s] [eta 00m:27s] Threads: 3: [mmm] [31.6% done] [ 5368/ 7104 kb/s] [eta 00m:26s] Threads: 3: [mmm] [32.5% done] [ 1744/ 9523 kb/s] [eta 00m:27s] Threads: 3: [mmm] [34.1% done] [ 6029/ 5135 kb/s] [eta 00m:27s] Threads: 3: [mmm] [36.6% done] [ 3213/ 8633 kb/s] [eta 00m:26s] Threads: 3: [mmm] [38.1% done] [ 7368/ 2402 kb/s] [eta 00m:26s] Threads: 3: [mmm] [39.5% done] [ 5872/ 3154 kb/s] [eta 00m:26s] Threads: 3: [mmm] [41.9% done] [ 4576/ 4182 kb/s] [eta 00m:25s] Threads: 3: [mmm] [43.2% done] [ 6281/ 1665 kb/s] [eta 00m:25s] Threads: 3: [mmm] [45.7% done] [ 3997/ 5273 kb/s] [eta 00m:25s] Threads: 3: [mmm] [46.8% done] [ 3985/ 2504 kb/s] [eta 00m:25s] Threads: 3: [mVm] [46.9% done] [ 8140/ 933 kb/s] [eta 00m:26s] Threads: 3: [mVm] [48.0% done] [ 11709/ 1150 kb/s] [eta 00m:26s] Threads: 3: [mVm] [48.1% done] [ 15966/ 598 kb/s] [eta 00m:27s] Threads: 2: [m_m] [49.1% done] [ 13776/ 145 kb/s] [eta 00m:27s] Threads: 2: [m_m] [52.9% done] [ 5379/ 3201 kb/s] [eta 00m:24s] Threads: 2: [m_m] [57.1% done] [ 2142/ 6360 kb/s] [eta 00m:21s] Threads: 2: [m_V] [59.2% done] [ 3040/ 3958 kb/s] [eta 00m:20s] Threads: 2: [m_V] [61.2% done] [ 15643/ 996 kb/s] [eta 00m:19s] Threads: 2: [m_V] [60.8% done] [ 18928/ 236 kb/s] [eta 00m:20s] Threads: 1: [m__] [62.7% done] [ 15316/ 866 kb/s] [eta 00m:19s] Threads: 1: [m__] [67.3% done] [ 3465/ 4174 kb/s] [eta 00m:16s] Threads: 1: [V__] [79.1% done] [ 18432/ 0 kb/s] [eta 00m:09s] Threads: 1: [V__] [94.6% done] [ 20353/ 0 kb/s] [eta 00m:02s] fio: (groupid=0): err= 0: pid=1993 read : io=100MiB, bw=2,932KiB/s, runt= 35759msec clat (msec): min= 0, max= 184, avg=12.94, stdev=25.45 bw (KiB/s) : min= 26, max=20648, per=39.93%, avg=3512.33, stdev=4789.66 write: io=45,264KiB, bw=1,389KiB/s, runt= 33362msec clat (msec): min= 0, max= 449, avg=14.99, stdev=42.73 bw (KiB/s) : min= 0, max= 9640, per=57.48%, avg=2481.31, stdev=2850.51 cpu : usr=2.65%, sys=0.28%, ctx=2484 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=46.2%, 4=7.9%, 10=18.4%, 20=10.5%, 50=9.4%, 100=3.9% lat (msec): 250=3.1%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1994 read : io=100MiB, bw=4,033KiB/s, runt= 25996msec clat (msec): min= 0, max= 393, avg= 9.87, stdev=15.33 bw (KiB/s) : min= 2, max=16263, per=55.47%, avg=4880.03, stdev=4497.47 write: io=44,760KiB, bw=2,041KiB/s, runt= 22446msec clat (msec): min= 0, max= 210, avg=10.37, stdev=22.73 bw (KiB/s) : min= 0, max= 8127, per=73.97%, avg=3193.40, stdev=2876.54 cpu : usr=3.75%, sys=0.40%, ctx=2391 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=38.4%, 4=7.4%, 10=21.9%, 20=16.7%, 50=12.7%, 100=2.4% lat (msec): 250=0.4%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1995 read : io=100MiB, bw=3,254KiB/s, runt= 32216msec clat (msec): min= 0, max= 139, avg=11.53, stdev=18.05 bw (KiB/s) : min= 3, max=21530, per=46.86%, avg=4122.56, stdev=5190.93 write: io=50,636KiB, bw=1,802KiB/s, runt= 28772msec clat (msec): min= 0, max= 225, avg=13.08, stdev=30.42 bw (KiB/s) : min= 0, max= 8683, per=65.75%, avg=2838.50, stdev=2741.78 cpu : usr=3.07%, sys=0.34%, ctx=2509 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=39.9%, 4=7.7%, 10=18.7%, 20=16.7%, 50=11.5%, 100=3.2% lat (msec): 250=2.2%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=8,797KiB/s, minb=2,932KiB/s, maxb=4,033KiB/s, mint=25996msec, maxt=35759msec WRITE: io=137MiB, aggrb=4,317KiB/s, minb=1,389KiB/s, maxb=2,041KiB/s, mint=25996msec, maxt=35759msec Disk stats (read/write): sda: ios=5583/3046, merge=995/245, ticks=69636/71488, in_queue=141120, util=98.40% 2.92user 0.40system 0:36.13elapsed 9%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+1081minor)pagefaults 0swaps