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: [mmF] [8.8% done] [ 9824/ 6712 kb/s] [eta 00m:31s] Threads: 3: [mmF] [21.1% done] [ 5752/ 60128 kb/s] [eta 00m:15s] Threads: 3: [mmF] [50.0% done] [ 3656/ 72724 kb/s] [eta 00m:05s] Threads: 3: [FmF] [54.5% done] [ 1256/ 8416 kb/s] [eta 00m:05s] Threads: 3: [FmF] [53.8% done] [ 672/ 0 kb/s] [eta 00m:06s] Threads: 3: [FFF] [100.0% done] [ 4/ 24756 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] [ 336/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [69.6% done] [ 16964/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [77.3% done] [ 28300/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [81.8% done] [ 30460/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [86.4% done] [ 27776/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVV] [90.9% done] [ 33940/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [100.0% done] [ 34016/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 34844/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 29916/ 0 kb/s] [eta 00m:00s] Threads: 1: [__V] [100.0% done] [ 29136/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=21109 read : io=100MiB, bw=4,318KiB/s, runt= 24279msec clat (msec): min= 0, max= 257, avg= 7.27, stdev=27.73 bw (KiB/s) : min= 0, max=16743, per=57.95%, avg=7427.92, stdev=5225.38 write: io=87,864KiB, bw=5,979KiB/s, runt= 15048msec clat (msec): min= 0, max= 99, avg= 0.31, stdev= 3.99 bw (KiB/s) : min= 0, max=58233, per=108.01%, avg=19762.33, stdev=33320.74 cpu : usr=4.78%, sys=1.29%, ctx=944 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=83.6%, 4=4.5%, 10=5.8%, 20=1.9%, 50=2.0%, 100=0.7% lat (msec): 250=1.3%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=21110 read : io=100MiB, bw=4,325KiB/s, runt= 24239msec clat (msec): min= 0, max= 260, avg= 8.80, stdev=27.99 bw (KiB/s) : min= 7, max=19841, per=49.15%, avg=6299.23, stdev=5368.56 write: io=82,212KiB, bw=5,595KiB/s, runt= 15046msec clat (msec): min= 0, max= 1, avg= 0.00, stdev= 0.05 bw (KiB/s) : min= 0, max=117497, per=214.14%, avg=39179.00, stdev=67825.38 cpu : usr=4.69%, sys=1.37%, ctx=1028 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=80.0%, 4=5.0%, 10=7.0%, 20=2.2%, 50=3.1%, 100=1.3% lat (msec): 250=1.3%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=21111 read : io=100MiB, bw=4,272KiB/s, runt= 24543msec clat (msec): min= 0, max= 330, avg= 6.11, stdev=27.03 bw (KiB/s) : min= 10, max=19914, per=66.87%, avg=8571.05, stdev=5946.17 write: io=99,072KiB, bw=6,735KiB/s, runt= 15063msec clat (msec): min= 0, max= 34, avg= 0.13, stdev= 1.66 bw (KiB/s) : min= 0, max=73621, per=202.73%, avg=37091.33, stdev=36813.71 cpu : usr=5.08%, sys=1.35%, ctx=862 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=84.6%, 4=5.1%, 10=6.7%, 20=0.7%, 50=1.2%, 100=0.6% 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=12,817KiB/s, minb=4,272KiB/s, maxb=4,325KiB/s, mint=24239msec, maxt=24543msec WRITE: io=263MiB, aggrb=18,296KiB/s, minb=5,595KiB/s, maxb=6,735KiB/s, mint=24239msec, maxt=24543msec Disk stats (read/write): sda: ios=3589/1821, merge=1570/65368, ticks=82008/1762276, in_queue=1846036, util=99.00% 3.55user 1.05system 0:24.89elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1071minor)pagefaults 0swaps