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] [25.0% done] [ 5600/ 70736 kb/s] [eta 00m:09s] Threads: 3: [FFF] [100.0% done] [ 1200/ 65936 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: [FFV] [72.2% done] [ 3380/ 0 kb/s] [eta 00m:05s] Threads: 3: [FFV] [73.7% done] [ 7024/ 0 kb/s] [eta 00m:05s] Threads: 3: [FFV] [83.3% done] [ 10644/ 0 kb/s] [eta 00m:03s] Threads: 3: [FFV] [88.9% done] [ 9140/ 0 kb/s] [eta 00m:02s] Threads: 3: [VFV] [68.0% done] [ 12124/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [69.2% done] [ 31694/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [76.0% done] [ 30436/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [83.3% done] [ 29784/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [87.5% done] [ 34560/ 0 kb/s] [eta 00m:03s] Threads: 2: [VV_] [91.7% done] [ 33912/ 0 kb/s] [eta 00m:02s] Threads: 2: [VV_] [100.0% done] [ 34092/ 0 kb/s] [eta 00m:00s] Threads: 1: [_V_] [100.0% done] [ 32564/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=26327 read : io=100MiB, bw=4,356KiB/s, runt= 24071msec clat (msec): min= 0, max= 283, avg= 4.93, stdev=21.11 bw (KiB/s) : min= 7, max=30007, per=83.97%, avg=10601.50, stdev=8675.08 write: io=93,968KiB, bw=5,610KiB/s, runt= 17150msec clat (msec): min= 0, max= 168, avg= 0.56, stdev= 6.82 bw (KiB/s) : min= 0, max=120070, per=216.02%, avg=35680.80, stdev=52806.71 cpu : usr=5.12%, sys=1.48%, ctx=879 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=84.0%, 4=4.6%, 10=6.9%, 20=1.7%, 50=1.2%, 100=0.6% lat (msec): 250=0.8%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=26328 read : io=100MiB, bw=4,208KiB/s, runt= 24913msec clat (msec): min= 0, max= 247, avg= 5.07, stdev=21.08 bw (KiB/s) : min= 13, max=37434, per=82.11%, avg=10367.11, stdev=10195.35 write: io=96,828KiB, bw=5,579KiB/s, runt= 17770msec clat (msec): min= 0, max= 45, avg= 0.09, stdev= 1.50 bw (KiB/s) : min= 0, max=82182, per=182.10%, avg=30077.25, stdev=39045.87 cpu : usr=5.14%, sys=1.24%, ctx=932 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=83.4%, 4=5.7%, 10=6.9%, 20=1.4%, 50=1.2%, 100=0.3% lat (msec): 250=0.9%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=26329 read : io=100MiB, bw=4,893KiB/s, runt= 21426msec clat (msec): min= 0, max= 300, avg= 5.88, stdev=21.55 bw (KiB/s) : min= 4, max=29856, per=75.37%, avg=9516.24, stdev=7833.61 write: io=95,836KiB, bw=7,933KiB/s, runt= 12370msec clat (msec): min= 0, max= 18, avg= 0.02, stdev= 0.54 bw (KiB/s) : min= 0, max=110198, per=333.59%, avg=55099.00, stdev=77921.75 cpu : usr=5.60%, sys=1.59%, ctx=904 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=84.4%, 4=4.3%, 10=5.6%, 20=1.9%, 50=2.0%, 100=1.1% lat (msec): 250=0.5%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,626KiB/s, minb=4,208KiB/s, maxb=4,893KiB/s, mint=21426msec, maxt=24913msec WRITE: io=280MiB, aggrb=16,517KiB/s, minb=5,579KiB/s, maxb=7,933KiB/s, mint=21426msec, maxt=24913msec Disk stats (read/write): sda: ios=3377/2200, merge=1162/69376, ticks=68088/2027164, in_queue=2098180, util=99.13% 3.72user 1.01system 0:25.24elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1072minor)pagefaults 0swaps