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: [Fmm] [8.8% done] [ 4488/ 50228 kb/s] [eta 00m:31s] Threads: 3: [FmF] [21.1% done] [ 5360/ 20312 kb/s] [eta 00m:15s] Threads: 3: [FFF] [100.0% done] [ 0/ 71276 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: [VVV] [70.0% done] [ 1656/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [68.2% done] [ 19884/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [76.2% done] [ 27703/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [85.0% done] [ 28364/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVV] [90.0% done] [ 31528/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [95.0% done] [ 34636/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVV] [100.0% done] [ 33817/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 30252/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 29808/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_V] [100.0% done] [ 31096/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=32404 read : io=100MiB, bw=4,399KiB/s, runt= 23825msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 911, avg=45.69, stdev=90.64 bw (KiB/s) : min= 2, max=18374, per=69.28%, avg=9145.32, stdev=6166.27 write: io=99MiB, bw=7,300KiB/s, runt= 14152msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 163, avg= 0.70, stdev= 7.94 bw (KiB/s) : min= 0, max=51592, per=129.39%, avg=25796.00, stdev=36481.05 cpu : usr=3.42%, sys=1.75%, ctx=5269 IO depths : 1=2.5%, 2=58.7%, 4=29.8%, 8=9.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=51.4%, 4=0.2%, 10=26.4%, 20=8.5%, 50=3.4%, 100=1.3% lat (msec): 250=6.8%, 500=1.5%, 750=0.2%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=32405 read : io=100MiB, bw=4,593KiB/s, runt= 22826msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 655, avg=58.16, stdev=98.43 bw (KiB/s) : min= 20, max=21266, per=61.11%, avg=8066.48, stdev=5912.70 write: io=85,080KiB, bw=6,157KiB/s, runt= 14148msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 362, avg= 1.10, stdev=16.00 bw (KiB/s) : min= 0, max=139649, per=350.23%, avg=69824.50, stdev=98746.75 cpu : usr=2.82%, sys=1.31%, ctx=5232 IO depths : 1=1.3%, 2=53.8%, 4=30.0%, 8=14.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=48.2%, 4=0.0%, 10=18.0%, 20=14.0%, 50=7.3%, 100=1.7% lat (msec): 250=7.6%, 500=2.7%, 750=0.3%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=32406 read : io=100MiB, bw=4,421KiB/s, runt= 23718msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 583, avg=59.45, stdev=96.08 bw (KiB/s) : min= 7, max=16961, per=58.54%, avg=7728.52, stdev=5369.94 write: io=89,644KiB, bw=6,484KiB/s, runt= 14156msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 255, avg= 1.15, stdev=10.37 bw (KiB/s) : min= 0, max=38472, per=121.84%, avg=24291.33, stdev=21135.11 cpu : usr=2.99%, sys=1.59%, ctx=5321 IO depths : 1=1.3%, 2=53.1%, 4=30.9%, 8=14.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=47.5%, 4=0.5%, 10=17.4%, 20=14.2%, 50=6.6%, 100=2.1% lat (msec): 250=8.7%, 500=2.6%, 750=0.2%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=13,201KiB/s, minb=4,399KiB/s, maxb=4,593KiB/s, mint=22826msec, maxt=23825msec WRITE: io=269MiB, aggrb=19,937KiB/s, minb=6,157KiB/s, maxb=7,300KiB/s, mint=22826msec, maxt=23825msec Disk stats (read/write): sda: ios=3458/1822, merge=1228/66961, ticks=82252/1918496, in_queue=2016220, util=98.86% 2.23user 1.14system 0:24.28elapsed 13%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2473minor)pagefaults 0swaps