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: [mFF] [75.0% done] [ 113/121563 kb/s] [eta 00m:01s] Threads: 3: [FFF] [100.0% done] [ 0/ 4933 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: [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] [69.6% done] [ 15753/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [70.8% done] [ 26684/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [75.0% done] [ 26823/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [86.4% done] [ 34921/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVV] [95.2% done] [ 30008/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVV] [100.0% done] [ 35917/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 37181/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 29168/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 35948/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=19338 read : io=100MiB, bw=4,272KiB/s, runt= 24543msec clat (msec): min= 0, max= 282, avg= 6.47, stdev=28.64 bw (KiB/s) : min= 0, max=17947, per=63.26%, avg=7970.90, stdev=5747.45 write: io=96,184KiB, bw=6,463KiB/s, runt= 15239msec clat (msec): min= 0, max= 62, avg= 0.17, stdev= 2.35 bw (KiB/s) : min= 0, max=56841, per=130.48%, avg=25400.00, stdev=28898.01 cpu : usr=4.97%, sys=1.43%, ctx=849 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=85.8%, 4=4.3%, 10=5.6%, 20=1.5%, 50=1.2%, 100=0.3% lat (msec): 250=1.1%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=19339 read : io=100MiB, bw=4,245KiB/s, runt= 24700msec clat (msec): min= 0, max= 260, avg= 5.88, stdev=27.30 bw (KiB/s) : min= 8, max=16719, per=73.58%, avg=9271.06, stdev=5632.90 write: io=98MiB, bw=6,767KiB/s, runt= 15235msec clat (msec): min= 0, max= 67, avg= 0.24, stdev= 2.84 bw (KiB/s) : min= 0, max=53156, per=144.81%, avg=28190.67, stdev=26724.37 cpu : usr=5.12%, sys=1.57%, ctx=800 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=85.3%, 4=4.4%, 10=6.8%, 20=1.3%, 50=0.7%, 100=0.4% lat (msec): 250=1.1%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=19340 read : io=100MiB, bw=4,200KiB/s, runt= 24965msec clat (msec): min= 0, max= 320, avg= 6.25, stdev=27.24 bw (KiB/s) : min= 8, max=16563, per=62.65%, avg=7894.29, stdev=5608.82 write: io=93,164KiB, bw=6,253KiB/s, runt= 15256msec clat (msec): min= 0, max= 38, avg= 0.21, stdev= 2.04 bw (KiB/s) : min= 0, max=116170, per=213.89%, avg=41638.33, stdev=64694.25 cpu : usr=4.65%, sys=1.54%, ctx=911 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=83.5%, 4=5.0%, 10=7.1%, 20=1.7%, 50=1.1%, 100=0.4% 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=12,600KiB/s, minb=4,200KiB/s, maxb=4,272KiB/s, mint=24543msec, maxt=24965msec WRITE: io=283MiB, aggrb=19,467KiB/s, minb=6,253KiB/s, maxb=6,767KiB/s, mint=24543msec, maxt=24965msec Disk stats (read/write): sda: ios=3197/2739, merge=1236/69565, ticks=77044/1893656, in_queue=1972960, util=99.32% 3.64user 1.16system 0:25.25elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1076minor)pagefaults 0swaps