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: [Fmm] [7.9% done] [ 5218/ 79174 kb/s] [eta 00m:35s] Threads: 3: [FmF] [66.7% done] [ 241/140280 kb/s] [eta 00m:02s] Threads: 3: [FFF] [100.0% done] [ 0/ 2476 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: 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: [VVV] [68.2% done] [ 3/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [69.6% done] [ 17124/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [70.8% done] [ 34831/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [72.0% done] [ 28913/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [76.0% done] [ 29487/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [83.3% done] [ 33527/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [91.3% done] [ 30314/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [100.0% done] [ 37108/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_V] [100.0% done] [ 34887/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=4429 read : io=100MiB, bw=4,235KiB/s, runt= 24755msec clat (msec): min= 0, max= 441, avg= 5.76, stdev=30.87 bw (KiB/s) : min= 0, max=30943, per=65.65%, avg=8342.16, stdev=8595.55 write: io=99,556KiB, bw=6,670KiB/s, runt= 15284msec clat (msec): min= 0, max= 26, avg= 0.25, stdev= 2.10 bw (KiB/s) : min= 0, max=118988, per=217.15%, avg=41555.67, stdev=67118.46 cpu : usr=4.85%, sys=1.42%, ctx=895 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=87.5%, 4=4.0%, 10=5.5%, 20=1.2%, 50=0.7%, 100=0.2% lat (msec): 250=0.9%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=4430 read : io=100MiB, bw=4,489KiB/s, runt= 23355msec clat (msec): min= 0, max= 311, avg= 6.62, stdev=27.72 bw (KiB/s) : min= 21, max=18362, per=67.35%, avg=8558.55, stdev=5398.38 write: io=90,144KiB, bw=6,041KiB/s, runt= 15280msec clat (msec): min= 0, max= 42, avg= 0.03, stdev= 1.10 bw (KiB/s) : min= 0, max=104100, per=271.99%, avg=52050.00, stdev=73609.82 cpu : usr=4.93%, sys=1.49%, ctx=1025 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=83.2%, 4=5.0%, 10=7.4%, 20=1.3%, 50=1.3%, 100=0.6% lat (msec): 250=1.1%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=4431 read : io=100MiB, bw=4,409KiB/s, runt= 23779msec clat (msec): min= 0, max= 301, avg= 5.83, stdev=26.91 bw (KiB/s) : min= 8, max=20267, per=68.14%, avg=8658.75, stdev=6061.09 write: io=95,936KiB, bw=6,429KiB/s, runt= 15280msec clat (msec): min= 0, max= 209, avg= 0.38, stdev= 5.59 bw (KiB/s) : min= 0, max=67231, per=123.97%, avg=23724.00, stdev=37729.66 cpu : usr=5.05%, sys=1.68%, ctx=1019 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=84.4%, 4=5.4%, 10=6.2%, 20=1.4%, 50=1.2%, 100=0.3% lat (msec): 250=1.0%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,707KiB/s, minb=4,235KiB/s, maxb=4,489KiB/s, mint=23355msec, maxt=24755msec WRITE: io=279MiB, aggrb=19,137KiB/s, minb=6,041KiB/s, maxb=6,670KiB/s, mint=23355msec, maxt=24755msec Disk stats (read/write): sda: ios=3324/1957, merge=1169/69414, ticks=77960/1702936, in_queue=1780900, util=99.30% 3.56user 1.18system 0:25.13elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1072minor)pagefaults 0swaps