fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=sync, iodepth=1 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=sync, iodepth=1 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [mmF] [37.5% done] [ 2595/ 59671 kb/s] [eta 00m:05s] Threads: 3: [mmF] [66.7% done] [ 5856/ 52940 kb/s] [eta 00m:02s] Threads: 3: [FFF] [100.0% done] [ 70/ 15864 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] [ 6982/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [71.4% done] [ 22807/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [76.2% done] [ 27730/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [85.0% done] [ 30507/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVV] [94.7% done] [ 29905/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVV] [100.0% done] [ 38818/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 33792/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 30552/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 33357/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=17341 read : io=100MiB, bw=4,443KiB/s, runt= 23599msec clat (msec): min= 0, max= 251, avg= 7.55, stdev=28.96 bw (KiB/s) : min= 0, max=16899, per=55.97%, avg=7460.83, stdev=5147.02 write: io=90,460KiB, bw=6,679KiB/s, runt= 13868msec clat (msec): min= 0, max= 139, avg= 0.14, stdev= 3.71 bw (KiB/s) : min= 0, max=43406, per=116.51%, avg=24345.67, stdev=22180.43 cpu : usr=4.98%, sys=1.34%, ctx=887 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=83.8%, 4=5.1%, 10=6.0%, 20=1.4%, 50=1.1%, 100=1.0% lat (msec): 250=1.3%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=17342 read : io=100MiB, bw=4,542KiB/s, runt= 23084msec clat (msec): min= 0, max= 252, avg= 6.84, stdev=27.73 bw (KiB/s) : min= 1, max=16326, per=55.52%, avg=7400.70, stdev=5409.47 write: io=92,332KiB, bw=6,819KiB/s, runt= 13864msec clat (msec): min= 0, max= 53, avg= 0.27, stdev= 2.78 bw (KiB/s) : min= 0, max=25414, per=50.26%, avg=10502.67, stdev=13268.20 cpu : usr=5.15%, sys=1.44%, ctx=906 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=82.5%, 4=4.6%, 10=6.9%, 20=2.5%, 50=1.8%, 100=0.4% lat (msec): 250=1.1%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=17343 read : io=100MiB, bw=4,453KiB/s, runt= 23543msec clat (msec): min= 0, max= 284, avg= 5.58, stdev=26.08 bw (KiB/s) : min= 6, max=17567, per=73.81%, avg=9838.05, stdev=5274.81 write: io=98MiB, bw=7,401KiB/s, runt= 13864msec clat (msec): min= 0, max= 67, avg= 0.16, stdev= 2.70 bw (KiB/s) : min= 0, max=116908, per=276.87%, avg=57854.33, stdev=58463.23 cpu : usr=5.10%, sys=1.61%, ctx=798 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=86.1%, 4=5.0%, 10=5.8%, 20=0.6%, 50=0.9%, 100=0.3% lat (msec): 250=1.1%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=13,329KiB/s, minb=4,443KiB/s, maxb=4,542KiB/s, mint=23084msec, maxt=23599msec WRITE: io=276MiB, aggrb=20,896KiB/s, minb=6,679KiB/s, maxb=7,401KiB/s, mint=23084msec, maxt=23599msec Disk stats (read/write): sda: ios=3316/1935, merge=1356/68810, ticks=88508/1623504, in_queue=1713184, util=99.34% 3.56user 1.10system 0:23.95elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1068minor)pagefaults 0swaps