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: [mFm] [37.5% done] [ 8656/ 66124 kb/s] [eta 00m:05s] Threads: 3: [FFm] [36.4% done] [ 1388/ 42612 kb/s] [eta 00m:07s] Threads: 3: [FFF] [100.0% done] [ 200/ 47048 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: [VFF] [68.4% done] [ 0/ 0 kb/s] [eta 00m:06s] Threads: 3: [VFF] [77.8% done] [ 12496/ 0 kb/s] [eta 00m:04s] Threads: 3: [VFF] [83.3% done] [ 8852/ 0 kb/s] [eta 00m:03s] Threads: 3: [VFF] [88.9% done] [ 10244/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVF] [68.0% done] [ 18456/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVF] [72.0% done] [ 22236/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVF] [86.4% done] [ 28672/ 0 kb/s] [eta 00m:03s] Threads: 2: [EVF] [90.9% done] [ 27168/ 0 kb/s] [eta 00m:02s] Threads: 2: [_VV] [67.7% done] [ 14132/ 0 kb/s] [eta 00m:10s] Threads: 2: [_VV] [68.8% done] [ 24884/ 0 kb/s] [eta 00m:10s] Threads: 2: [_VV] [82.1% done] [ 31448/ 0 kb/s] [eta 00m:05s] Threads: 1: [__V] [92.3% done] [ 30285/ 0 kb/s] [eta 00m:02s] Threads: 1: [__V] [100.0% done] [ 35980/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=1025 read : io=100MiB, bw=5,156KiB/s, runt= 20337msec clat (msec): min= 0, max= 251, avg= 4.96, stdev=18.55 bw (KiB/s) : min= 8, max=18771, per=79.11%, avg=9590.94, stdev=5405.12 write: io=92,092KiB, bw=7,198KiB/s, runt= 13100msec clat (msec): min= 0, max= 55, avg= 0.24, stdev= 2.39 bw (KiB/s) : min= 0, max=108396, per=275.79%, avg=37904.00, stdev=61105.70 cpu : usr=6.35%, sys=1.63%, ctx=956 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=83.9%, 4=4.4%, 10=6.2%, 20=2.2%, 50=1.7%, 100=1.0% lat (msec): 250=0.4%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1026 read : io=100MiB, bw=4,376KiB/s, runt= 23958msec clat (msec): min= 0, max= 240, avg= 4.49, stdev=17.90 bw (KiB/s) : min= 4, max=23321, per=94.45%, avg=11450.12, stdev=8108.33 write: io=97,524KiB, bw=5,835KiB/s, runt= 17112msec clat (msec): min= 0, max= 49, avg= 0.23, stdev= 2.31 bw (KiB/s) : min= 0, max=107741, per=223.96%, avg=30781.25, stdev=51811.08 cpu : usr=5.29%, sys=1.32%, ctx=966 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=83.8%, 4=4.3%, 10=7.2%, 20=2.0%, 50=1.7%, 100=0.3% lat (msec): 250=0.7%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1027 read : io=100MiB, bw=4,041KiB/s, runt= 25947msec clat (msec): min= 0, max= 283, avg= 4.77, stdev=17.80 bw (KiB/s) : min= 8, max=37834, per=92.85%, avg=11256.71, stdev=12425.00 write: io=89,968KiB, bw=4,423KiB/s, runt= 20829msec clat (msec): min= 0, max= 29, avg= 0.06, stdev= 1.11 bw (KiB/s) : min= 0, max=87716, per=212.84%, avg=29252.33, stdev=50631.02 cpu : usr=4.83%, sys=1.19%, ctx=1048 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=82.1%, 4=5.2%, 10=8.1%, 20=1.4%, 50=2.0%, 100=0.4% lat (msec): 250=0.5%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,123KiB/s, minb=4,041KiB/s, maxb=5,156KiB/s, mint=20337msec, maxt=25947msec WRITE: io=273MiB, aggrb=13,744KiB/s, minb=4,423KiB/s, maxb=7,198KiB/s, mint=20337msec, maxt=25947msec Disk stats (read/write): sda: ios=3534/2416, merge=1064/67372, ticks=70240/2261472, in_queue=2339672, util=98.46% 3.81user 0.95system 0:26.35elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1080minor)pagefaults 0swaps