fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [mFF] [27.3% done] [ 972/ 97820 kb/s] [eta 00m:08s] Threads: 3: [mFF] [28.6% done] [ 1468/ 0 kb/s] [eta 00m:10s] Threads: 3: [mFF] [29.4% done] [ 1704/ 0 kb/s] [eta 00m:12s] Threads: 3: [mFF] [30.0% done] [ 1356/ 0 kb/s] [eta 00m:14s] Threads: 3: [FFF] [100.0% done] [ 568/ 56772 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: [FVF] [68.8% done] [ 1664/ 0 kb/s] [eta 00m:05s] Threads: 3: [FVV] [75.0% done] [ 23712/ 0 kb/s] [eta 00m:04s] Threads: 3: [FVV] [86.7% done] [ 33768/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [66.7% done] [ 40192/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [78.9% done] [ 42608/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [88.9% done] [ 43740/ 0 kb/s] [eta 00m:02s] Threads: 2: [V_V] [94.4% done] [ 41328/ 0 kb/s] [eta 00m:01s] Threads: 1: [V__] [100.0% done] [ 40600/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=25995 read : io=100MiB, bw=5,647KiB/s, runt= 18568msec slat (msec): min= 54, max=11873, avg=9348.11, stdev=3097.49 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 11, max=35746, per=50.54%, avg=8562.56, stdev=9635.21 write: io=85,716KiB, bw=6,485KiB/s, runt= 13534msec slat (msec): min= 0, max= 95, avg= 2.79, stdev= 6.84 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=50557, per=80.10%, avg=16920.67, stdev=29130.10 cpu : usr=7.24%, sys=2.09%, ctx=912 IO depths : 1=12.6%, 2=25.0%, 4=50.0%, 8=12.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0% lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=25996 read : io=100MiB, bw=6,146KiB/s, runt= 17060msec slat (msec): min= 132, max=14644, avg=11370.10, stdev=2558.64 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 11, max=19352, per=77.29%, avg=13094.31, stdev=6552.48 write: io=96,464KiB, bw=9,317KiB/s, runt= 10601msec slat (msec): min= 0, max= 18, avg= 2.36, stdev= 2.80 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=94638, per=290.90%, avg=61449.33, stdev=53273.70 cpu : usr=8.04%, sys=2.25%, ctx=771 IO depths : 1=12.6%, 2=25.1%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0% lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=25997 read : io=100MiB, bw=5,881KiB/s, runt= 17827msec slat (msec): min= 153, max=15526, avg=12339.64, stdev=2604.28 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 13, max=24486, per=72.77%, avg=12328.62, stdev=7046.69 write: io=97,020KiB, bw=8,870KiB/s, runt= 11200msec slat (msec): min= 0, max= 13, avg= 2.09, stdev= 1.98 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=106642, per=252.42%, avg=53321.00, stdev=75407.28 cpu : usr=7.22%, sys=2.29%, ctx=768 IO depths : 1=12.6%, 2=25.0%, 4=50.0%, 8=12.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0% lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=16,941KiB/s, minb=5,647KiB/s, maxb=6,146KiB/s, mint=17060msec, maxt=18568msec WRITE: io=273MiB, aggrb=21,124KiB/s, minb=6,485KiB/s, maxb=9,317KiB/s, mint=17060msec, maxt=18568msec Disk stats (read/write): sda: ios=2854/1400, merge=1268/68248, ticks=37376/1325868, in_queue=1371576, util=96.30% 4.07user 1.20system 0:18.85elapsed 27%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2411minor)pagefaults 0swaps