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: [mmm] [42.9% done] [ 8086/ 48111 kb/s] [eta 00m:04s] Threads: 3: [mFm] [44.4% done] [ 5392/ 35864 kb/s] [eta 00m:05s] Threads: 3: [mFF] [62.5% done] [ 97/ 40874 kb/s] [eta 00m:03s] Threads: 3: [FFF] [100.0% done] [ 0/ 8728 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: [VVV] [66.7% done] [ 195/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [68.0% done] [ 18106/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [69.2% done] [ 32414/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [73.1% done] [ 22767/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [76.9% done] [ 28192/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [80.8% done] [ 31780/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [91.7% done] [ 34060/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [95.8% done] [ 31126/ 0 kb/s] [eta 00m:01s] Threads: 2: [VVE] [100.0% done] [ 33991/ 0 kb/s] [eta 00m:00s] Threads: 1: [V__] [100.0% done] [ 37059/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=5129 read : io=100MiB, bw=4,102KiB/s, runt= 25559msec clat (msec): min= 0, max= 883, avg= 7.59, stdev=36.13 bw (KiB/s) : min= 7, max=35561, per=61.92%, avg=7621.08, stdev=9412.92 write: io=93,540KiB, bw=5,927KiB/s, runt= 16160msec clat (msec): min= 0, max= 91, avg= 0.32, stdev= 3.67 bw (KiB/s) : min= 0, max=13201, per=35.95%, avg=6219.33, stdev=6633.44 cpu : usr=4.93%, sys=1.50%, ctx=951 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=83.3%, 4=4.6%, 10=6.7%, 20=1.8%, 50=1.7%, 100=0.5% lat (msec): 250=1.3%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5130 read : io=100MiB, bw=4,257KiB/s, runt= 24629msec clat (msec): min= 0, max= 251, avg= 6.25, stdev=25.03 bw (KiB/s) : min= 8, max=14559, per=63.79%, avg=7851.00, stdev=4358.89 write: io=87,044KiB, bw=5,517KiB/s, runt= 16155msec clat (msec): min= 0, max= 32, avg= 0.02, stdev= 0.81 bw (KiB/s) : min= 0, max=33939, per=98.09%, avg=16969.50, stdev=23998.50 cpu : usr=4.61%, sys=1.58%, ctx=1045 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=82.6%, 4=4.6%, 10=7.7%, 20=2.1%, 50=1.5%, 100=0.4% lat (msec): 250=1.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5131 read : io=100MiB, bw=4,341KiB/s, runt= 24151msec clat (msec): min= 0, max= 894, avg= 6.56, stdev=31.74 bw (KiB/s) : min= 7, max=23289, per=67.55%, avg=8313.64, stdev=6368.18 write: io=92,604KiB, bw=5,864KiB/s, runt= 16170msec clat (msec): min= 0, max= 44, avg= 0.16, stdev= 2.03 bw (KiB/s) : min= 0, max=61636, per=145.78%, avg=25220.33, stdev=32307.13 cpu : usr=5.30%, sys=1.59%, ctx=1125 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=79.0%, 4=6.0%, 10=9.4%, 20=2.4%, 50=1.6%, 100=0.5% lat (msec): 250=0.9%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,307KiB/s, minb=4,102KiB/s, maxb=4,341KiB/s, mint=24151msec, maxt=25559msec WRITE: io=267MiB, aggrb=17,300KiB/s, minb=5,517KiB/s, maxb=5,927KiB/s, mint=24151msec, maxt=25559msec Disk stats (read/write): sda: ios=3773/2374, merge=1226/65828, ticks=74096/1619768, in_queue=1694008, util=98.48% 3.67user 1.27system 0:26.06elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1072minor)pagefaults 0swaps