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: [mFF] [37.5% done] [ 7080/101252 kb/s] [eta 00m:05s] Threads: 3: [mFF] [36.4% done] [ 864/ 0 kb/s] [eta 00m:07s] Threads: 3: [mFF] [55.6% done] [ 688/ 24108 kb/s] [eta 00m:04s] Threads: 3: [FFF] [100.0% done] [ 0/ 23756 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] [69.2% done] [ 10216/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [67.9% done] [ 28520/ 0 kb/s] [eta 00m:09s] Threads: 3: [VVV] [71.4% done] [ 31952/ 0 kb/s] [eta 00m:08s] Threads: 3: [VVV] [75.0% done] [ 24812/ 0 kb/s] [eta 00m:07s] Threads: 3: [VVV] [81.5% done] [ 32188/ 0 kb/s] [eta 00m:05s] Threads: 3: [VVV] [88.5% done] [ 35132/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVV] [96.0% done] [ 29896/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVV] [100.0% done] [ 38088/ 0 kb/s] [eta 00m:00s] Threads: 1: [V__] [100.0% done] [ 33240/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=12609 read : io=100MiB, bw=3,873KiB/s, runt= 27070msec clat (msec): min= 0, max= 305, avg= 7.84, stdev=32.67 bw (KiB/s) : min= 0, max=15652, per=49.77%, avg=5782.80, stdev=5293.89 write: io=91,532KiB, bw=5,406KiB/s, runt= 17337msec clat (msec): min= 0, max= 13, avg= 0.07, stdev= 0.81 bw (KiB/s) : min= 0, max=89245, per=177.56%, avg=29775.00, stdev=51502.55 cpu : usr=4.63%, sys=1.00%, ctx=1034 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=4.5%, 10=6.3%, 20=1.8%, 50=1.6%, 100=0.4% lat (msec): 250=1.2%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=12610 read : io=100MiB, bw=3,991KiB/s, runt= 26272msec clat (msec): min= 0, max= 583, avg= 6.07, stdev=30.82 bw (KiB/s) : min= 0, max=20701, per=78.16%, avg=9082.50, stdev=5244.80 write: io=97,964KiB, bw=5,786KiB/s, runt= 17337msec clat (msec): min= 0, max= 31, avg= 0.16, stdev= 1.75 bw (KiB/s) : min= 0, max=64742, per=200.53%, avg=33626.33, stdev=32443.94 cpu : usr=4.66%, sys=1.28%, ctx=974 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=6.9%, 20=1.8%, 50=1.1%, 100=0.2% lat (msec): 250=0.9%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=12611 read : io=100MiB, bw=3,963KiB/s, runt= 26453msec clat (msec): min= 0, max= 322, avg= 6.10, stdev=28.07 bw (KiB/s) : min= 7, max=19084, per=72.16%, avg=8385.26, stdev=5715.49 write: io=94,420KiB, bw=5,578KiB/s, runt= 17333msec clat (msec): min= 0, max= 29, avg= 0.29, stdev= 2.39 bw (KiB/s) : min= 0, max=114548, per=234.04%, avg=39246.67, stdev=65232.39 cpu : usr=4.66%, sys=1.33%, ctx=1132 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=4.8%, 10=7.4%, 20=1.6%, 50=1.5%, 100=0.2% lat (msec): 250=0.9%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=11,620KiB/s, minb=3,873KiB/s, maxb=3,991KiB/s, mint=26272msec, maxt=27070msec WRITE: io=277MiB, aggrb=16,769KiB/s, minb=5,406KiB/s, maxb=5,786KiB/s, mint=26272msec, maxt=27070msec Disk stats (read/write): sda: ios=3404/2535, merge=1270/68222, ticks=96272/2102032, in_queue=2200512, util=98.69% 3.72user 1.00system 0:27.47elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (1major+1084minor)pagefaults 0swaps