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: [mmF] [42.9% done] [ 7354/ 30498 kb/s] [eta 00m:04s] Threads: 3: [mmF] [44.4% done] [ 4917/ 19243 kb/s] [eta 00m:05s] Threads: 3: [mmF] [50.0% done] [ 3233/ 6158 kb/s] [eta 00m:05s] Threads: 3: [mFF] [60.0% done] [ 1008/ 27362 kb/s] [eta 00m:04s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. Threads: 3: [FFF] [100.0% done] [ 256/ 12418 kb/s] [eta 00m:00s] fio: pid=19584, got signal=6 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] [72.2% done] [ 18210/ 0 kb/s] [eta 00m:05s] Threads: 2: [_VV] [93.3% done] [ 66447/ 0 kb/s] [eta 00m:01s] Threads: 2: [_VV] [100.0% done] [ 65125/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=19584 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=67.8%, 2=16.1%, 4=2.6%, 8=13.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=82.6%, 4=0.5%, 10=0.9%, 20=0.1%, 50=0.6%, 100=4.6% lat (msec): 250=8.9%, 500=1.6%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=19585 read : io=100MiB, bw=6,812KiB/s, runt= 15393msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 315, avg=26.76, stdev=50.54 bw (KiB/s) : min= 18, max=36831, per=100.32%, avg=14709.50, stdev=15322.93 write: io=83,736KiB, bw=6,707KiB/s, runt= 12783msec slat (msec): min= 0, max= 6, avg= 0.00, stdev= 0.16 clat (msec): min= 0, max= 215, avg= 1.53, stdev=12.69 bw (KiB/s) : min= 0, max=59129, per=134.70%, avg=28100.50, stdev=29495.72 cpu : usr=10.86%, sys=4.99%, ctx=11962 IO depths : 1=52.6%, 2=14.0%, 4=20.4%, 8=13.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=57.3%, 4=7.2%, 10=19.0%, 20=3.6%, 50=2.3%, 100=3.8% lat (msec): 250=6.4%, 500=0.3%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=19586 read : io=100MiB, bw=6,674KiB/s, runt= 15709msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 151, avg=17.63, stdev=31.84 bw (KiB/s) : min= 11, max=38346, per=112.42%, avg=16483.50, stdev=15658.07 write: io=94,420KiB, bw=7,563KiB/s, runt= 12783msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 79, avg= 0.43, stdev= 3.56 bw (KiB/s) : min= 0, max=44025, per=110.78%, avg=23109.00, stdev=22094.28 cpu : usr=8.56%, sys=4.71%, ctx=7909 IO depths : 1=19.1%, 2=44.5%, 4=24.9%, 8=11.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=54.7%, 4=13.7%, 10=18.4%, 20=3.0%, 50=2.3%, 100=4.3% lat (msec): 250=3.4%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=220MiB, aggrb=14,662KiB/s, minb=0KiB/s, maxb=6,812KiB/s, mint=15393msec, maxt=15709msec WRITE: io=254MiB, aggrb=20,861KiB/s, minb=0KiB/s, maxb=7,563KiB/s, mint=15393msec, maxt=15709msec Disk stats (read/write): cciss!c0d0: ios=4306/3541, merge=894/61481, ticks=33456/1454872, in_queue=1488328, util=97.07% 4.30user 1.94system 0:16.22elapsed 38%CPU (0avgtext+0avgdata 0maxresident)k 517824inputs+520872outputs (0major+2453minor)pagefaults 0swaps