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: [FmF] [9.7% done] [ 1132/ 496 kb/s] [eta 00m:28s] Threads: 3: [FmF] [44.4% done] [ 1264/ 50516 kb/s] [eta 00m:05s] Threads: 3: [FmF] [55.6% done] [ 544/ 17500 kb/s] [eta 00m:04s] Threads: 3: [FmF] [60.0% done] [ 1140/ 0 kb/s] [eta 00m:04s] Threads: 3: [FFV] [77.8% done] [ 9952/ 16632 kb/s] [eta 00m:02s] Threads: 3: [FFV] [88.9% done] [ 16544/ 0 kb/s] [eta 00m:01s] Threads: 3: [FFV] [100.0% done] [ 14492/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFV] [100.0% done] [ 8288/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFV] [100.0% done] [ 17348/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFV] [100.0% done] [ 19784/ 0 kb/s] [eta 00m:00s] Threads: 2: [FF_] [100.0% done] [ 12684/ 0 kb/s] [eta 00m:00s] Threads: 2: [FF_] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [VV_] [68.2% done] [ 23844/ 0 kb/s] [eta 00m:07s] Threads: 2: [VV_] [76.2% done] [ 40720/ 0 kb/s] [eta 00m:05s] Threads: 2: [VV_] [89.5% done] [ 40640/ 0 kb/s] [eta 00m:02s] Threads: 1: [_V_] [100.0% done] [ 43492/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=28811 read : io=100MiB, bw=5,690KiB/s, runt= 18427msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 351, avg=18.69, stdev=37.78 bw (KiB/s) : min= 0, max=40828, per=135.88%, avg=22069.88, stdev=14503.35 write: io=99,664KiB, bw=6,912KiB/s, runt= 14765msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 223, avg= 0.76, stdev= 8.34 bw (KiB/s) : min= 0, max=120819, per=307.44%, avg=60409.50, stdev=85431.93 cpu : usr=4.62%, sys=1.91%, ctx=5207 IO depths : 1=2.0%, 2=55.5%, 4=31.0%, 8=11.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=50.6%, 4=2.2%, 10=22.8%, 20=16.6%, 50=4.1%, 100=0.1% lat (msec): 250=3.0%, 500=0.4%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=28812 read : io=100MiB, bw=5,413KiB/s, runt= 19366msec slat (msec): min= 0, max= 4, avg= 0.02, stdev= 0.31 clat (msec): min= 0, max= 1114, avg=42.38, stdev=106.27 bw (KiB/s) : min= 1, max=41639, per=58.40%, avg=9486.10, stdev=12418.18 write: io=85,144KiB, bw=5,894KiB/s, runt= 14792msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 979, avg= 4.19, stdev=45.50 bw (KiB/s) : min= 0, max=138479, per=176.89%, avg=34757.00, stdev=69148.25 cpu : usr=3.45%, sys=2.04%, ctx=5451 IO depths : 1=1.9%, 2=53.8%, 4=30.7%, 8=13.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=48.5%, 4=0.7%, 10=25.6%, 20=13.3%, 50=2.5%, 100=2.4% lat (msec): 250=4.2%, 500=1.8%, 750=0.5%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=28813 read : io=100MiB, bw=8,197KiB/s, runt= 12790msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 433, avg=32.44, stdev=47.43 bw (KiB/s) : min= 4, max=33036, per=84.42%, avg=13710.92, stdev=8636.11 write: io=99,028KiB, bw=15,505KiB/s, runt= 6540msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 102, avg= 0.57, stdev= 4.69 bw (KiB/s) : min= 0, max=121749, per=309.81%, avg=60874.50, stdev=86089.54 cpu : usr=6.69%, sys=4.13%, ctx=4170 IO depths : 1=0.9%, 2=51.4%, 4=34.1%, 8=13.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=48.1%, 4=4.6%, 10=13.2%, 20=13.6%, 50=10.6%, 100=6.4% lat (msec): 250=3.1%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=16,242KiB/s, minb=5,413KiB/s, maxb=8,197KiB/s, mint=12790msec, maxt=19366msec WRITE: io=277MiB, aggrb=19,649KiB/s, minb=5,894KiB/s, maxb=15,505KiB/s, mint=12790msec, maxt=19366msec Disk stats (read/write): sda: ios=2795/1736, merge=1304/69101, ticks=32488/1900736, in_queue=1935408, util=97.86% 2.44user 1.34system 0:19.74elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2469minor)pagefaults 0swaps