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] [37.5% done] [ 6359/116305 kb/s] [eta 00m:05s] Threads: 3: [FFF] [100.0% done] [ 0/ 86605 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: [VVV] [69.6% done] [ 8374/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [70.8% done] [ 24848/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [81.8% done] [ 32605/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [86.4% done] [ 24620/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVV] [90.9% done] [ 33885/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [100.0% done] [ 35657/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 35563/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 28411/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 37668/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=17914 read : io=100MiB, bw=4,222KiB/s, runt= 24836msec clat (msec): min= 0, max= 274, avg= 5.73, stdev=25.73 bw (KiB/s) : min= 0, max=25105, per=70.37%, avg=8809.95, stdev=6848.96 write: io=99,248KiB, bw=6,504KiB/s, runt= 15625msec clat (msec): min= 0, max= 120, avg= 0.38, stdev= 4.31 bw (KiB/s) : min= 0, max=52904, per=116.98%, avg=21535.25, stdev=23375.25 cpu : usr=5.12%, sys=1.47%, ctx=858 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=86.5%, 4=4.1%, 10=5.5%, 20=0.9%, 50=1.2%, 100=0.5% lat (msec): 250=1.1%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=17915 read : io=100MiB, bw=4,240KiB/s, runt= 24729msec clat (msec): min= 0, max= 387, avg= 6.55, stdev=26.33 bw (KiB/s) : min= 11, max=19349, per=66.17%, avg=8283.45, stdev=5752.04 write: io=90,488KiB, bw=5,927KiB/s, runt= 15633msec clat (msec): min= 0, max= 13, avg= 0.01, stdev= 0.33 bw (KiB/s) : min= 0, max=105807, per=191.76%, avg=35303.33, stdev=61057.99 cpu : usr=5.03%, sys=1.25%, ctx=973 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=4.3%, 10=7.1%, 20=2.1%, 50=1.6%, 100=0.4% lat (msec): 250=1.0%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=17916 read : io=100MiB, bw=4,173KiB/s, runt= 25127msec clat (msec): min= 0, max= 281, avg= 6.52, stdev=26.96 bw (KiB/s) : min= 12, max=18977, per=62.56%, avg=7831.68, stdev=5665.97 write: io=91,324KiB, bw=5,982KiB/s, runt= 15632msec clat (msec): min= 0, max= 39, avg= 0.14, stdev= 1.83 bw (KiB/s) : min= 0, max=117047, per=234.56%, avg=43183.33, stdev=64272.56 cpu : usr=4.97%, sys=1.23%, ctx=1041 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=5.5%, 10=7.0%, 20=1.8%, 50=1.5%, 100=0.4% lat (msec): 250=1.0%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,519KiB/s, minb=4,173KiB/s, maxb=4,240KiB/s, mint=24729msec, maxt=25127msec WRITE: io=274MiB, aggrb=18,410KiB/s, minb=5,927KiB/s, maxb=6,504KiB/s, mint=24729msec, maxt=25127msec Disk stats (read/write): sda: ios=3475/2385, merge=1209/67827, ticks=70852/1879724, in_queue=1950576, util=99.01% 3.76user 0.98system 0:25.52elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1081minor)pagefaults 0swaps