fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [mFm] [37.5% done] [ 3246/ 65182 kb/s] [eta 00m:05s] Threads: 3: [mFF] [50.0% done] [ 1466/ 31674 kb/s] [eta 00m:04s] Threads: 3: [mFF] [55.6% done] [ 1040/ 0 kb/s] [eta 00m:04s] Threads: 3: [FFF] [100.0% done] [ 56/ 25320 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: 2: [F_F] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_V] [68.8% done] [ 12344/ 0 kb/s] [eta 00m:05s] Threads: 2: [V_V] [80.0% done] [ 41472/ 0 kb/s] [eta 00m:03s] Threads: 2: [V_V] [100.0% done] [ 39484/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_V] [100.0% done] [ 43224/ 0 kb/s] [eta 00m:00s] Threads: 1: [__V] [100.0% done] [ 42804/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=1612 read : io=100MiB, bw=6,872KiB/s, runt= 15258msec slat (msec): min= 0, max= 4, avg= 0.03, stdev= 0.33 clat (msec): min= 0, max= 717, avg=38.08, stdev=79.57 bw (KiB/s) : min= 15, max=31211, per=78.31%, avg=10653.72, stdev=10330.67 write: io=89,968KiB, bw=8,499KiB/s, runt= 10839msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 348, avg= 2.52, stdev=22.73 bw (KiB/s) : min= 0, max=18857, per=39.85%, avg=10690.33, stdev=9678.50 cpu : usr=4.67%, sys=2.70%, ctx=4466 IO depths : 1=2.2%, 2=55.7%, 4=29.2%, 8=12.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=48.8%, 4=0.0%, 10=25.0%, 20=12.2%, 50=4.4%, 100=0.3% lat (msec): 250=7.6%, 500=1.1%, 750=0.4%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=1613 read : io=0KiB, bw=0KiB/s, runt= 10058msec write: io=100MiB, bw=10,463KiB/s, runt= 10021msec slat (msec): min= 0, max= 8, avg= 0.00, stdev= 0.20 clat (msec): min= 0, max= 7, avg= 0.21, stdev= 0.50 bw (KiB/s) : min= 0, max=133079, per=248.01%, avg=66539.50, stdev=94101.06 cpu : usr=7.76%, sys=2.94%, ctx=2708 IO depths : 1=0.2%, 2=96.6%, 4=3.2%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=97.9%, 4=1.2%, 10=0.2%, 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=1614 read : io=100MiB, bw=6,802KiB/s, runt= 15413msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 663, avg=32.47, stdev=63.05 bw (KiB/s) : min= 14, max=26839, per=95.38%, avg=12976.21, stdev=10604.59 write: io=91,616KiB, bw=8,666KiB/s, runt= 10825msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 374, avg= 1.18, stdev=13.47 bw (KiB/s) : min= 0, max=129826, per=191.85%, avg=51471.00, stdev=68962.02 cpu : usr=4.54%, sys=2.65%, ctx=4522 IO depths : 1=1.0%, 2=52.8%, 4=31.4%, 8=14.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=48.6%, 4=2.4%, 10=18.5%, 20=18.9%, 50=2.6%, 100=1.3% lat (msec): 250=6.8%, 500=0.4%, 750=0.2%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=200MiB, aggrb=13,605KiB/s, minb=0KiB/s, maxb=6,872KiB/s, mint=10058msec, maxt=15413msec WRITE: io=277MiB, aggrb=26,829KiB/s, minb=8,499KiB/s, maxb=10,463KiB/s, mint=10058msec, maxt=15413msec Disk stats (read/write): sda: ios=2011/1315, merge=735/69603, ticks=22328/1307116, in_queue=1331136, util=98.29% 2.27user 1.17system 0:15.75elapsed 21%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2449minor)pagefaults 0swaps