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] [ 8643/128837 kb/s] [eta 00m:04s] Threads: 3: [FFm] [44.4% done] [ 926/ 45165 kb/s] [eta 00m:05s] Threads: 3: [FFm] [45.5% done] [ 890/ 0 kb/s] [eta 00m:06s] Threads: 3: [FFm] [46.2% done] [ 833/ 0 kb/s] [eta 00m:07s] Threads: 3: [FFm] [70.0% done] [ 942/ 34694 kb/s] [eta 00m:03s] Threads: 3: [FFF] [100.0% done] [ 0/ 158 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] [68.0% done] [ 12259/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [69.2% done] [ 28135/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [76.0% done] [ 28416/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [80.0% done] [ 24092/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [91.3% done] [ 36697/ 0 kb/s] [eta 00m:02s] Threads: 3: [VVV] [100.0% done] [ 34803/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 32568/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 34397/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 31368/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=20206 read : io=100MiB, bw=4,047KiB/s, runt= 25907msec clat (msec): min= 0, max= 262, avg= 6.30, stdev=29.76 bw (KiB/s) : min= 17, max=16039, per=68.24%, avg=8285.25, stdev=5534.30 write: io=96,032KiB, bw=6,014KiB/s, runt= 16350msec clat (msec): min= 0, max= 26, avg= 0.18, stdev= 1.82 bw (KiB/s) : min= 0, max=116867, per=247.85%, avg=43172.33, stdev=64134.11 cpu : usr=4.43%, sys=1.30%, ctx=915 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=86.2%, 4=4.0%, 10=5.9%, 20=1.3%, 50=1.3%, 100=0.3% lat (msec): 250=1.0%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=20207 read : io=100MiB, bw=4,071KiB/s, runt= 25751msec clat (msec): min= 0, max= 584, avg= 6.77, stdev=31.48 bw (KiB/s) : min= 16, max=18215, per=65.52%, avg=7955.32, stdev=5471.90 write: io=91,932KiB, bw=5,754KiB/s, runt= 16358msec clat (msec): min= 0, max= 26, avg= 0.06, stdev= 1.00 bw (KiB/s) : min= 0, max=24135, per=69.28%, avg=12067.50, stdev=17066.02 cpu : usr=4.55%, sys=1.29%, ctx=1121 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=82.8%, 4=4.7%, 10=8.2%, 20=1.6%, 50=1.2%, 100=0.3% lat (msec): 250=0.9%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=20208 read : io=100MiB, bw=4,073KiB/s, runt= 25740msec clat (msec): min= 0, max= 378, avg= 9.19, stdev=33.22 bw (KiB/s) : min= 7, max=17911, per=49.00%, avg=5949.72, stdev=5456.71 write: io=90,304KiB, bw=5,653KiB/s, runt= 16357msec clat (msec): min= 0, max= 7, avg= 0.00, stdev= 0.18 bw (KiB/s) : min= 0, max=13337, per=38.28%, avg=6668.50, stdev=9430.68 cpu : usr=4.77%, sys=1.38%, ctx=1097 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=5.0%, 10=6.7%, 20=1.2%, 50=1.8%, 100=1.2% lat (msec): 250=1.4%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=12,142KiB/s, minb=4,047KiB/s, maxb=4,073KiB/s, mint=25740msec, maxt=25907msec WRITE: io=272MiB, aggrb=17,419KiB/s, minb=5,653KiB/s, maxb=6,014KiB/s, mint=25740msec, maxt=25907msec Disk stats (read/write): sda: ios=3519/2033, merge=1216/67365, ticks=116088/1823808, in_queue=1943960, util=99.09% 3.55user 1.11system 0:26.25elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1082minor)pagefaults 0swaps