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: [mFm] [60.0% done] [ 5255/197902 kb/s] [eta 00m:02s] Threads: 3: [FFF] [100.0% done] [ 0/ 20093 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: [VVF] [68.4% done] [ 263/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVF] [73.7% done] [ 23047/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVF] [83.3% done] [ 23697/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVF] [88.9% done] [ 31393/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVF] [100.0% done] [ 30368/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVF] [100.0% done] [ 23972/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVF] [100.0% done] [ 26932/ 0 kb/s] [eta 00m:00s] Threads: 2: [_VF] [100.0% done] [ 16188/ 0 kb/s] [eta 00m:00s] Threads: 1: [__V] [70.0% done] [ 14887/ 0 kb/s] [eta 00m:09s] Threads: 1: [__V] [91.7% done] [ 31514/ 0 kb/s] [eta 00m:02s] Threads: 1: [__V] [100.0% done] [ 40396/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=22740 read : io=100MiB, bw=5,263KiB/s, runt= 19920msec clat (msec): min= 0, max= 264, avg= 4.73, stdev=19.92 bw (KiB/s) : min= 0, max=27347, per=85.89%, avg=11073.56, stdev=8467.15 write: io=95,292KiB, bw=7,504KiB/s, runt= 13003msec clat (msec): min= 0, max= 128, avg= 0.29, stdev= 4.71 bw (KiB/s) : min= 0, max=106094, per=259.30%, avg=36317.67, stdev=60444.98 cpu : usr=7.01%, sys=1.69%, ctx=824 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=4.6%, 10=5.2%, 20=1.3%, 50=1.4%, 100=0.6% lat (msec): 250=0.7%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=22741 read : io=100MiB, bw=4,937KiB/s, runt= 21235msec clat (msec): min= 0, max= 238, avg= 5.32, stdev=20.45 bw (KiB/s) : min= 20, max=19693, per=74.25%, avg=9572.53, stdev=5653.45 write: io=95,140KiB, bw=7,351KiB/s, runt= 13253msec clat (msec): min= 0, max= 49, avg= 0.27, stdev= 2.75 bw (KiB/s) : min= 0, max=115613, per=284.71%, avg=39876.00, stdev=65620.88 cpu : usr=5.71%, sys=1.58%, ctx=857 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=83.6%, 4=4.3%, 10=6.7%, 20=2.1%, 50=1.8%, 100=0.7% lat (msec): 250=0.7%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=22742 read : io=100MiB, bw=4,297KiB/s, runt= 24397msec clat (msec): min= 0, max= 216, avg= 2.49, stdev=10.08 bw (KiB/s) : min= 7, max=41973, per=141.77%, avg=18278.30, stdev=17925.96 write: io=95,312KiB, bw=4,672KiB/s, runt= 20890msec clat (msec): min= 0, max= 62, avg= 0.33, stdev= 3.50 bw (KiB/s) : min= 0, max=79953, per=212.09%, avg=29705.25, stdev=36431.01 cpu : usr=5.34%, sys=1.51%, ctx=922 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=83.7%, 4=5.3%, 10=8.2%, 20=1.2%, 50=1.1%, 100=0.3% lat (msec): 250=0.1%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,893KiB/s, minb=4,297KiB/s, maxb=5,263KiB/s, mint=19920msec, maxt=24397msec WRITE: io=279MiB, aggrb=14,006KiB/s, minb=4,672KiB/s, maxb=7,504KiB/s, mint=19920msec, maxt=24397msec Disk stats (read/write): sda: ios=3390/2035, merge=1354/69354, ticks=72892/1997996, in_queue=2073044, util=98.74% 3.91user 1.04system 0:24.82elapsed 19%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1088minor)pagefaults 0swaps