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: [mmm] [12.5% done] [ 9642/ 8695 kb/s] [eta 00m:21s] Threads: 3: [mmm] [16.0% done] [ 14908/ 6534 kb/s] [eta 00m:21s] Threads: 3: [mmm] [20.0% done] [ 8695/ 9610 kb/s] [eta 00m:20s] Threads: 3: [mmm] [23.1% done] [ 13246/ 2194 kb/s] [eta 00m:20s] Threads: 3: [mmm] [26.9% done] [ 11272/ 4352 kb/s] [eta 00m:19s] Threads: 3: [mmm] [29.6% done] [ 8829/ 5705 kb/s] [eta 00m:19s] Threads: 3: [mmm] [33.3% done] [ 4888/ 10963 kb/s] [eta 00m:18s] Threads: 3: [mmm] [35.7% done] [ 12068/ 3799 kb/s] [eta 00m:18s] Threads: 3: [mmm] [39.3% done] [ 9906/ 4937 kb/s] [eta 00m:17s] Threads: 3: [mmm] [41.4% done] [ 11727/ 2267 kb/s] [eta 00m:17s] Threads: 3: [mmm] [43.3% done] [ 5376/ 8143 kb/s] [eta 00m:17s] Threads: 3: [mmm] [46.7% done] [ 11824/ 950 kb/s] [eta 00m:16s] Threads: 3: [mmm] [48.4% done] [ 3994/ 7879 kb/s] [eta 00m:16s] Threads: 3: [mmm] [51.6% done] [ 11723/ 528 kb/s] [eta 00m:15s] Threads: 3: [mmm] [54.8% done] [ 6424/ 5981 kb/s] [eta 00m:14s] Threads: 3: [mmm] [58.1% done] [ 7753/ 2588 kb/s] [eta 00m:13s] Threads: 3: [mmm] [59.4% done] [ 9006/ 1024 kb/s] [eta 00m:13s] Threads: 3: [mVm] [60.6% done] [ 11160/ 716 kb/s] [eta 00m:13s] Threads: 3: [mVm] [61.8% done] [ 14384/ 1484 kb/s] [eta 00m:13s] Threads: 2: [m_m] [64.7% done] [ 9900/ 2460 kb/s] [eta 00m:12s] Threads: 2: [m_m] [67.6% done] [ 620/ 7496 kb/s] [eta 00m:11s] Threads: 2: [V_V] [70.6% done] [ 13844/ 968 kb/s] [eta 00m:10s] Threads: 2: [V_V] [78.1% done] [ 20064/ 0 kb/s] [eta 00m:07s] Threads: 2: [V_V] [83.9% done] [ 17420/ 0 kb/s] [eta 00m:05s] Threads: 2: [V_V] [90.0% done] [ 17497/ 0 kb/s] [eta 00m:03s] fio: (groupid=0): err= 0: pid=25431 read : io=100MiB, bw=3,834KiB/s, runt= 27349msec slat (msec): min= 0, max= 4359, avg=966.12, stdev=1404.37 clat (msec): min= 1, max= 637, avg=87.27, stdev=81.24 bw (KiB/s) : min= 91, max=12832, per=37.78%, avg=4272.65, stdev=3421.22 write: io=36,356KiB, bw=1,617KiB/s, runt= 23010msec slat (msec): min= 0, max= 5, avg= 0.08, stdev= 0.46 clat (msec): min= 0, max= 944, avg=104.54, stdev=119.42 bw (KiB/s) : min= 0, max= 5101, per=54.03%, avg=2429.73, stdev=1586.78 cpu : usr=3.31%, sys=0.29%, ctx=1838 IO depths : 1=0.1%, 2=0.3%, 4=14.5%, 8=85.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.5%, 4=0.7%, 10=4.8%, 20=11.6%, 50=25.9%, 100=19.8% lat (msec): 250=30.8%, 500=5.2%, 750=0.4%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=25432 read : io=100MiB, bw=4,821KiB/s, runt= 21748msec slat (msec): min= 0, max= 2062, avg=189.08, stdev=464.30 clat (msec): min= 3, max= 451, avg=80.36, stdev=59.94 bw (KiB/s) : min= 12, max=14642, per=43.31%, avg=4897.59, stdev=3159.65 write: io=24,208KiB, bw=1,260KiB/s, runt= 19669msec slat (msec): min= 0, max= 10, avg= 0.25, stdev= 1.14 clat (msec): min= 0, max= 842, avg=131.72, stdev=142.29 bw (KiB/s) : min= 0, max= 5894, per=53.02%, avg=2384.44, stdev=2085.70 cpu : usr=3.79%, sys=0.31%, ctx=1732 IO depths : 1=0.2%, 2=0.2%, 4=7.9%, 8=91.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.8%, 4=0.2%, 10=2.4%, 20=7.6%, 50=24.8%, 100=31.2% lat (msec): 250=29.6%, 500=2.6%, 750=0.3%, 1000=0.3%, >=2000=0.0% fio: (groupid=0): err= 0: pid=25433 read : io=100MiB, bw=3,769KiB/s, runt= 27816msec slat (msec): min= 0, max= 4623, avg=1268.16, stdev=1638.74 clat (msec): min= 0, max= 456, avg=79.48, stdev=73.16 bw (KiB/s) : min= 13, max=11914, per=38.53%, avg=4357.05, stdev=3142.69 write: io=41,604KiB, bw=1,831KiB/s, runt= 23260msec slat (msec): min= 0, max= 2, avg= 0.04, stdev= 0.21 clat (msec): min= 0, max= 882, avg=107.55, stdev=120.39 bw (KiB/s) : min= 0, max= 5640, per=53.54%, avg=2407.90, stdev=2065.14 cpu : usr=3.39%, sys=0.14%, ctx=1947 IO depths : 1=0.1%, 2=0.2%, 4=14.5%, 8=85.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.8%, 4=0.8%, 10=5.0%, 20=12.8%, 50=23.5%, 100=22.1% lat (msec): 250=30.2%, 500=4.1%, 750=0.3%, 1000=0.3%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,309KiB/s, minb=3,769KiB/s, maxb=4,821KiB/s, mint=21748msec, maxt=27816msec WRITE: io=100MiB, aggrb=4,497KiB/s, minb=1,260KiB/s, maxb=1,831KiB/s, mint=21748msec, maxt=27816msec Disk stats (read/write): sda: ios=5071/1904, merge=1332/294, ticks=440444/249476, in_queue=689960, util=99.53% 2.72user 0.22system 0:28.02elapsed 10%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2393minor)pagefaults 0swaps