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] [50.0% done] [ 6164/ 95116 kb/s] [eta 00m:03s] Threads: 3: [FFF] [100.0% done] [ 0/ 38704 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: [FVF] [72.2% done] [ 3648/ 0 kb/s] [eta 00m:05s] Threads: 3: [FVF] [82.4% done] [ 14652/ 0 kb/s] [eta 00m:03s] Threads: 3: [FVF] [83.3% done] [ 6396/ 0 kb/s] [eta 00m:03s] Threads: 3: [FVF] [88.9% done] [ 8196/ 0 kb/s] [eta 00m:02s] Threads: 3: [FVF] [100.0% done] [ 11944/ 0 kb/s] [eta 00m:00s] Threads: 3: [FVF] [100.0% done] [ 8024/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [67.9% done] [ 14992/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [69.0% done] [ 16876/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [72.4% done] [ 31636/ 0 kb/s] [eta 00m:08s] Threads: 2: [V_V] [78.6% done] [ 31080/ 0 kb/s] [eta 00m:06s] Threads: 2: [V_V] [88.5% done] [ 32152/ 0 kb/s] [eta 00m:03s] Threads: 2: [V_V] [100.0% done] [ 38224/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_V] [100.0% done] [ 33740/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_V] [100.0% done] [ 30628/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=18694 read : io=100MiB, bw=3,951KiB/s, runt= 26535msec clat (msec): min= 0, max= 266, avg= 5.20, stdev=21.34 bw (KiB/s) : min= 0, max=29341, per=84.23%, avg=9933.68, stdev=8867.69 write: io=94,336KiB, bw=5,055KiB/s, runt= 19108msec clat (msec): min= 0, max= 21, avg= 0.07, stdev= 0.88 bw (KiB/s) : min= 0, max=21754, per=70.36%, avg=10877.00, stdev=15382.40 cpu : usr=4.60%, sys=1.39%, ctx=849 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=84.7%, 4=4.5%, 10=6.2%, 20=1.8%, 50=1.5%, 100=0.3% lat (msec): 250=0.8%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=18695 read : io=100MiB, bw=4,835KiB/s, runt= 21686msec clat (msec): min= 0, max= 228, avg= 5.27, stdev=16.49 bw (KiB/s) : min= 7, max=20228, per=82.73%, avg=9757.72, stdev=5529.90 write: io=99,532KiB, bw=8,149KiB/s, runt= 12506msec clat (msec): min= 0, max= 85, avg= 0.31, stdev= 3.51 bw (KiB/s) : min= 0, max=116695, per=260.36%, avg=40248.40, stdev=51273.94 cpu : usr=6.46%, sys=1.53%, ctx=820 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=83.9%, 4=4.7%, 10=5.0%, 20=2.0%, 50=2.8%, 100=1.2% lat (msec): 250=0.3%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=18696 read : io=100MiB, bw=3,931KiB/s, runt= 26672msec clat (msec): min= 0, max= 292, avg= 5.19, stdev=20.85 bw (KiB/s) : min= 13, max=23170, per=82.35%, avg=9712.95, stdev=8221.08 write: io=94,612KiB, bw=5,071KiB/s, runt= 19104msec clat (msec): min= 0, max= 188, avg= 0.19, stdev= 4.77 bw (KiB/s) : min= 0, max=82908, per=206.52%, avg=31925.33, stdev=44618.61 cpu : usr=4.62%, sys=1.33%, ctx=889 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=84.1%, 4=4.9%, 10=6.6%, 20=1.3%, 50=1.6%, 100=0.5% lat (msec): 250=0.8%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,794KiB/s, minb=3,931KiB/s, maxb=4,835KiB/s, mint=21686msec, maxt=26672msec WRITE: io=282MiB, aggrb=15,459KiB/s, minb=5,055KiB/s, maxb=8,149KiB/s, mint=21686msec, maxt=26672msec Disk stats (read/write): sda: ios=3279/2729, merge=1397/69250, ticks=68932/2310428, in_queue=2383208, util=98.28% 3.85user 1.16system 0:26.95elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (3major+1086minor)pagefaults 0swaps