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: [mFF] [75.0% done] [ 716/ 12644 kb/s] [eta 00m:01s] Threads: 3: [FFF] [100.0% done] [ 356/ 8136 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: [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: 2: [VV_] [75.0% done] [ 21604/ 0 kb/s] [eta 00m:06s] Threads: 2: [VV_] [82.6% done] [ 31208/ 0 kb/s] [eta 00m:04s] Threads: 2: [VV_] [95.2% done] [ 33228/ 0 kb/s] [eta 00m:01s] Threads: 2: [VV_] [100.0% done] [ 37198/ 0 kb/s] [eta 00m:00s] Threads: 2: [VV_] [100.0% done] [ 25958/ 0 kb/s] [eta 00m:00s] Threads: 1: [_V_] [100.0% done] [ 35946/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=16212 read : io=100MiB, bw=4,461KiB/s, runt= 23502msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 598, avg=38.46, stdev=74.33 bw (KiB/s) : min= 6, max=23439, per=113.75%, avg=10010.17, stdev=7824.56 write: io=89,496KiB, bw=5,223KiB/s, runt= 17544msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 558, avg= 3.16, stdev=31.90 bw (KiB/s) : min= 0, max=140075, per=226.76%, avg=38951.25, stdev=67811.84 cpu : usr=2.89%, sys=1.84%, ctx=5128 IO depths : 1=3.3%, 2=57.8%, 4=27.5%, 8=11.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=50.9%, 4=0.1%, 10=14.1%, 20=17.5%, 50=6.5%, 100=3.4% lat (msec): 250=6.1%, 500=1.0%, 750=0.4%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=16213 read : io=100MiB, bw=4,400KiB/s, runt= 23830msec clat (msec): min= 0, max= 417, avg=27.49, stdev=46.11 bw (KiB/s) : min= 3, max=21577, per=166.21%, avg=14626.08, stdev=5828.85 write: io=100MiB, bw=5,978KiB/s, runt= 17540msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 14, avg= 0.28, stdev= 0.84 bw (KiB/s) : min= 0, max=122273, per=355.92%, avg=61136.50, stdev=86460.07 cpu : usr=3.58%, sys=2.03%, ctx=4868 IO depths : 1=3.5%, 2=58.4%, 4=30.1%, 8=8.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=50.6%, 4=1.0%, 10=17.5%, 20=18.0%, 50=5.8%, 100=1.0% lat (msec): 250=5.6%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=16214 read : io=0KiB, bw=0KiB/s, runt= 17582msec write: io=100MiB, bw=5,978KiB/s, runt= 17540msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 12, avg= 0.28, stdev= 0.68 bw (KiB/s) : min= 0, max=117661, per=342.50%, avg=58830.50, stdev=83198.89 cpu : usr=4.96%, sys=1.89%, ctx=3621 IO depths : 1=0.4%, 2=96.7%, 4=2.9%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=97.0%, 4=2.3%, 10=0.0%, 20=0.2%, 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=8,800KiB/s, minb=0KiB/s, maxb=4,461KiB/s, mint=17582msec, maxt=23830msec WRITE: io=287MiB, aggrb=17,177KiB/s, minb=5,223KiB/s, maxb=5,978KiB/s, mint=17582msec, maxt=23830msec Disk stats (read/write): sda: ios=2082/3046, merge=790/70405, ticks=38204/2317044, in_queue=2355488, util=98.33% 2.45user 1.31system 0:24.26elapsed 15%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2469minor)pagefaults 0swaps