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: [mmF] [33.3% done] [ 4308/ 40724 kb/s] [eta 00m:06s] Threads: 3: [mFF] [36.4% done] [ 2498/ 5737 kb/s] [eta 00m:07s] Threads: 3: [mFF] [38.5% done] [ 1168/ 0 kb/s] [eta 00m:08s] Threads: 3: [mFF] [37.5% done] [ 1568/ 0 kb/s] [eta 00m:10s] Threads: 3: [mFF] [41.2% done] [ 1412/ 4020 kb/s] [eta 00m:10s] Threads: 3: [FFF] [100.0% done] [ 596/ 39943 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: 2: [VV_] [70.0% done] [ 3504/ 0 kb/s] [eta 00m:06s] Threads: 2: [VV_] [71.4% done] [ 24360/ 0 kb/s] [eta 00m:06s] Threads: 2: [VV_] [76.2% done] [ 26900/ 0 kb/s] [eta 00m:05s] Threads: 2: [VV_] [89.5% done] [ 32464/ 0 kb/s] [eta 00m:02s] Threads: 2: [VV_] [100.0% done] [ 29977/ 0 kb/s] [eta 00m:00s] Threads: 2: [VV_] [100.0% done] [ 34192/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=878 read : io=100MiB, bw=5,142KiB/s, runt= 20392msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 679, avg=58.30, stdev=115.60 bw (KiB/s) : min= 0, max=24019, per=62.50%, avg=6411.72, stdev=6881.82 write: io=85,084KiB, bw=6,156KiB/s, runt= 14152msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 471, avg= 3.38, stdev=29.30 bw (KiB/s) : min= 0, max=19838, per=33.31%, avg=6738.25, stdev=9005.95 cpu : usr=3.26%, sys=1.84%, ctx=4910 IO depths : 1=2.6%, 2=55.2%, 4=28.7%, 8=13.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=47.8%, 4=0.2%, 10=17.4%, 20=17.2%, 50=4.8%, 100=1.3% lat (msec): 250=7.6%, 500=2.3%, 750=1.2%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=879 read : io=100MiB, bw=5,326KiB/s, runt= 19590msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 463, avg=36.86, stdev=56.07 bw (KiB/s) : min= 7, max=20823, per=111.13%, avg=11400.65, stdev=8059.71 write: io=92,068KiB, bw=6,663KiB/s, runt= 14148msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 171, avg= 0.75, stdev= 7.20 bw (KiB/s) : min= 0, max=44961, per=111.14%, avg=22480.50, stdev=31792.23 cpu : usr=3.78%, sys=1.65%, ctx=4776 IO depths : 1=1.8%, 2=54.9%, 4=29.9%, 8=13.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=48.0%, 4=0.3%, 10=17.2%, 20=14.0%, 50=10.0%, 100=2.6% lat (msec): 250=6.9%, 500=0.6%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=880 read : io=0KiB, bw=0KiB/s, runt= 14181msec write: io=100MiB, bw=7,413KiB/s, runt= 14144msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 2, avg= 0.16, stdev= 0.37 bw (KiB/s) : min= 0, max=129007, per=318.90%, avg=64503.50, stdev=91221.72 cpu : usr=5.70%, sys=2.23%, ctx=3198 IO depths : 1=0.2%, 2=98.9%, 4=0.9%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=99.3%, 4=0.2%, 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=200MiB, aggrb=10,259KiB/s, minb=0KiB/s, maxb=5,326KiB/s, mint=14181msec, maxt=20392msec WRITE: io=273MiB, aggrb=20,227KiB/s, minb=6,156KiB/s, maxb=7,413KiB/s, mint=14181msec, maxt=20392msec Disk stats (read/write): sda: ios=2503/1824, merge=819/67914, ticks=37000/1873004, in_queue=1920572, util=98.08% 2.26user 1.08system 0:20.71elapsed 16%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2456minor)pagefaults 0swaps