fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=posixaio, iodepth=8 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [mmm] [33.3% done] [ 14573/ 73113 kb/s] [eta 00m:06s] Threads: 3: [mFm] [40.0% done] [ 10587/ 46430 kb/s] [eta 00m:06s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=28085, got signal=6 Threads: 2: [_Fm] [50.0% done] [ 3409/ 24677 kb/s] [eta 00m:05s] Threads: 2: [_FF] [100.0% done] [ 0/ 27838 kb/s] [eta 00m:00s] Threads: 2: [_FF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [_FF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [_FF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [_FF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [_FF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [_FF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [_VV] [68.4% done] [ 390/ 0 kb/s] [eta 00m:06s] Threads: 2: [_VV] [87.5% done] [ 57640/ 0 kb/s] [eta 00m:02s] Threads: 2: [_VV] [100.0% done] [ 58934/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=28085 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.3%, 2=85.3%, 4=4.6%, 8=9.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=70.2%, 4=15.2%, 10=2.4%, 20=0.1%, 50=1.5%, 100=4.6% lat (msec): 250=5.8%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=28086 read : io=100MiB, bw=6,579KiB/s, runt= 15938msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 183, avg=20.10, stdev=38.48 bw (KiB/s) : min= 10, max=37753, per=114.11%, avg=15855.55, stdev=15453.06 write: io=88,628KiB, bw=6,975KiB/s, runt= 13011msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 134, avg= 0.81, stdev= 5.39 bw (KiB/s) : min= 0, max=59957, per=119.90%, avg=23398.25, stdev=25636.83 cpu : usr=11.42%, sys=5.30%, ctx=7109 IO depths : 1=9.4%, 2=53.6%, 4=25.7%, 8=11.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=51.5%, 4=14.2%, 10=21.7%, 20=2.5%, 50=2.3%, 100=2.1% lat (msec): 250=5.6%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=28087 read : io=100MiB, bw=6,616KiB/s, runt= 15822msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 275, avg=32.05, stdev=49.57 bw (KiB/s) : min= 21, max=32459, per=93.07%, avg=12931.87, stdev=10386.61 write: io=68,568KiB, bw=5,396KiB/s, runt= 13011msec slat (msec): min= 0, max= 1, avg= 0.00, stdev= 0.03 clat (msec): min= 0, max= 106, avg= 0.98, stdev= 6.46 bw (KiB/s) : min= 0, max=53885, per=114.52%, avg=22346.67, stdev=28093.83 cpu : usr=8.34%, sys=4.83%, ctx=9481 IO depths : 1=34.6%, 2=19.2%, 4=27.5%, 8=18.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=44.4%, 4=11.9%, 10=21.1%, 20=5.4%, 50=2.9%, 100=6.4% lat (msec): 250=7.4%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=211MiB, aggrb=13,895KiB/s, minb=0KiB/s, maxb=6,616KiB/s, mint=15822msec, maxt=15938msec WRITE: io=242MiB, aggrb=19,514KiB/s, minb=0KiB/s, maxb=6,975KiB/s, mint=15822msec, maxt=15938msec Disk stats (read/write): cciss!c0d0: ios=4506/3239, merge=1020/58690, ticks=36836/1382212, in_queue=1419276, util=97.88% 4.72user 2.10system 0:16.29elapsed 41%CPU (0avgtext+0avgdata 0maxresident)k 551696inputs+495936outputs (0major+2454minor)pagefaults 0swaps