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] [10.7% done] [ 10240/ 6187 kb/s] [eta 00m:25s] Threads: 3: [mmm] [13.3% done] [ 7498/ 9096 kb/s] [eta 00m:26s] Threads: 3: [mmm] [16.1% done] [ 5370/ 10656 kb/s] [eta 00m:26s] Threads: 3: [mmm] [18.8% done] [ 10747/ 3896 kb/s] [eta 00m:26s] Threads: 3: [mmm] [21.2% done] [ 7236/ 7285 kb/s] [eta 00m:26s] Threads: 3: [mmm] [23.5% done] [ 9041/ 3628 kb/s] [eta 00m:26s] Threads: 3: [mmm] [25.7% done] [ 8074/ 3466 kb/s] [eta 00m:26s] Threads: 3: [mmm] [27.0% done] [ 5560/ 8208 kb/s] [eta 00m:27s] Threads: 3: [mmm] [28.2% done] [ 9776/ 2348 kb/s] [eta 00m:28s] Threads: 3: [mmm] [30.0% done] [ 6676/ 5684 kb/s] [eta 00m:28s] Threads: 3: [mmm] [32.5% done] [ 3384/ 9268 kb/s] [eta 00m:27s] Threads: 3: [mmm] [35.9% done] [ 4376/ 8098 kb/s] [eta 00m:25s] Threads: 3: [mmm] [39.5% done] [ 9583/ 524 kb/s] [eta 00m:23s] Threads: 3: [mmm] [42.1% done] [ 6184/ 4670 kb/s] [eta 00m:22s] Threads: 3: [mmm] [43.6% done] [ 5908/ 3827 kb/s] [eta 00m:22s] Threads: 3: [mmm] [46.2% done] [ 5676/ 4831 kb/s] [eta 00m:21s] Threads: 3: [mmm] [47.5% done] [ 2629/ 6347 kb/s] [eta 00m:21s] Threads: 3: [mmm] [48.8% done] [ 2291/ 7082 kb/s] [eta 00m:21s] Threads: 3: [mmm] [50.0% done] [ 4319/ 3913 kb/s] [eta 00m:21s] Threads: 3: [mmm] [51.2% done] [ 7115/ 199 kb/s] [eta 00m:21s] Threads: 3: [mmm] [53.5% done] [ 5209/ 2958 kb/s] [eta 00m:20s] Threads: 3: [mmV] [54.5% done] [ 4977/ 1564 kb/s] [eta 00m:20s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=2046, got signal=6 Threads: 2: [m_V] [55.6% done] [ 9906/ 1101 kb/s] [eta 00m:20s] Threads: 2: [m_V] [55.3% done] [ 19610/ 170 kb/s] [eta 00m:21s] Threads: 2: [m_V] [56.2% done] [ 17684/ 585 kb/s] [eta 00m:21s] Threads: 1: [m__] [58.3% done] [ 13056/ 219 kb/s] [eta 00m:20s] Threads: 1: [m__] [63.0% done] [ 6566/ 0 kb/s] [eta 00m:17s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. Threads: 1: [m__] [66.7% done] [ 6993/ 0 kb/s] [eta 00m:15s] fio: pid=2045, got signal=6 fio: (groupid=0): err= 0: pid=2045 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.1%, 2=0.5%, 4=21.5%, 8=77.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.0%, 4=0.1%, 10=0.2%, 20=3.3%, 50=32.3%, 100=9.7% lat (msec): 250=37.4%, 500=14.6%, 750=0.5%, 1000=1.0%, >=2000=0.5% fio: (groupid=0): err= 0: pid=2046 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.3%, 2=1.4%, 4=25.9%, 8=72.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.3%, 4=0.0%, 10=0.1%, 20=4.0%, 50=14.3%, 100=24.6% lat (msec): 250=52.1%, 500=3.6%, 750=0.4%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=2047 read : io=100MiB, bw=3,754KiB/s, runt= 27925msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 539, avg=76.82, stdev=72.71 bw (KiB/s) : min= 28, max=21291, per=56.89%, avg=5014.26, stdev=5659.16 write: io=53,876KiB, bw=2,371KiB/s, runt= 23264msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 421, avg=96.01, stdev=78.46 bw (KiB/s) : min= 0, max= 8847, per=59.76%, avg=3171.38, stdev=2244.66 cpu : usr=0.27%, sys=0.42%, ctx=8872 IO depths : 1=0.4%, 2=3.0%, 4=38.7%, 8=57.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.4%, 4=1.5%, 10=3.4%, 20=16.2%, 50=24.9%, 100=18.8% lat (msec): 250=30.5%, 500=4.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=235MiB, aggrb=8,814KiB/s, minb=0KiB/s, maxb=3,754KiB/s, mint=27925msec, maxt=27925msec WRITE: io=118MiB, aggrb=5,307KiB/s, minb=0KiB/s, maxb=2,371KiB/s, mint=27925msec, maxt=27925msec Disk stats (read/write): sda: ios=4509/2269, merge=619/313, ticks=71484/54360, in_queue=125844, util=99.03% 0.22user 0.49system 0:30.79elapsed 2%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2488minor)pagefaults 0swaps