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] [42.9% done] [ 1101/ 48440 kb/s] [eta 00m:04s] Threads: 3: [FFF] [100.0% done] [ 0/ 40821 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] [68.4% done] [ 8192/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [70.0% done] [ 20792/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [75.0% done] [ 30221/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [80.0% done] [ 25624/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [85.0% done] [ 30622/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVV] [94.7% done] [ 37757/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVV] [100.0% done] [ 38295/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 30366/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 37095/ 0 kb/s] [eta 00m:00s] Threads: 1: [V__] [100.0% done] [ 29431/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=28346 read : io=100MiB, bw=4,694KiB/s, runt= 22337msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 871, avg=54.48, stdev=100.09 bw (KiB/s) : min= 7, max=24960, per=59.05%, avg=8306.00, stdev=5970.63 write: io=87,556KiB, bw=6,928KiB/s, runt= 12940msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 530, avg= 1.47, stdev=22.48 bw (KiB/s) : min= 0, max=129785, per=285.38%, avg=64892.50, stdev=91771.85 cpu : usr=3.24%, sys=1.56%, ctx=7794 IO depths : 1=0.8%, 2=52.3%, 4=30.1%, 8=16.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=48.9%, 4=5.1%, 10=12.9%, 20=17.4%, 50=3.7%, 100=1.8% lat (msec): 250=7.2%, 500=2.5%, 750=0.2%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=28347 read : io=100MiB, bw=4,862KiB/s, runt= 21486msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 666, avg=49.22, stdev=92.72 bw (KiB/s) : min= 11, max=22440, per=65.93%, avg=9273.21, stdev=7430.18 write: io=98,964KiB, bw=8,138KiB/s, runt= 12452msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 127, avg= 0.74, stdev= 5.24 bw (KiB/s) : min= 0, max=48995, per=141.52%, avg=32180.67, stdev=27878.68 cpu : usr=4.13%, sys=2.33%, ctx=7418 IO depths : 1=0.8%, 2=50.7%, 4=31.6%, 8=16.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=47.1%, 4=4.0%, 10=12.3%, 20=21.2%, 50=4.8%, 100=2.1% lat (msec): 250=6.0%, 500=1.8%, 750=0.4%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=28348 read : io=100MiB, bw=4,775KiB/s, runt= 21958msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 667, avg=48.18, stdev=88.53 bw (KiB/s) : min= 5, max=24996, per=68.75%, avg=9670.84, stdev=7620.61 write: io=98MiB, bw=8,225KiB/s, runt= 12552msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 95, avg= 0.48, stdev= 3.86 bw (KiB/s) : min= 0, max=55179, per=121.33%, avg=27589.50, stdev=39017.45 cpu : usr=3.79%, sys=1.93%, ctx=7913 IO depths : 1=1.0%, 2=52.4%, 4=31.6%, 8=15.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=48.9%, 4=2.7%, 10=11.5%, 20=23.4%, 50=3.6%, 100=1.6% lat (msec): 250=6.3%, 500=1.6%, 750=0.3%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=14,066KiB/s, minb=4,694KiB/s, maxb=4,862KiB/s, mint=21486msec, maxt=22337msec WRITE: io=281MiB, aggrb=22,739KiB/s, minb=6,928KiB/s, maxb=8,225KiB/s, mint=21486msec, maxt=22337msec Disk stats (read/write): sda: ios=3204/1672, merge=1057/70036, ticks=90032/1599052, in_queue=1689964, util=98.98% 2.50user 1.33system 0:22.68elapsed 16%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2485minor)pagefaults 0swaps