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] [12.0% done] [ 14284/ 51588 kb/s] [eta 00m:22s] Threads: 3: [mFm] [13.8% done] [ 6041/ 44895 kb/s] [eta 00m:25s] Threads: 3: [mFm] [20.8% done] [ 3256/ 21504 kb/s] [eta 00m:19s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=5137, got signal=6 Threads: 2: [_Fm] [24.0% done] [ 1833/ 52351 kb/s] [eta 00m:19s] Threads: 2: [_Fm] [31.8% done] [ 2108/ 8628 kb/s] [eta 00m:15s] Threads: 2: [_Fm] [32.0% done] [ 1208/ 0 kb/s] [eta 00m:17s] Threads: 2: [_Fm] [33.3% done] [ 1716/ 0 kb/s] [eta 00m:18s] Threads: 2: [_Fm] [58.8% done] [ 1756/ 36776 kb/s] [eta 00m:07s] Threads: 2: [_FF] [100.0% done] [ 984/ 13092 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] [66.7% done] [ 208/ 0 kb/s] [eta 00m:09s] Threads: 2: [_VV] [73.1% done] [ 17804/ 0 kb/s] [eta 00m:07s] Threads: 2: [_VV] [83.3% done] [ 29276/ 0 kb/s] [eta 00m:04s] Threads: 2: [_VV] [87.5% done] [ 22660/ 0 kb/s] [eta 00m:03s] Threads: 2: [_VV] [95.7% done] [ 26000/ 0 kb/s] [eta 00m:01s] Threads: 2: [_VV] [100.0% done] [ 24016/ 0 kb/s] [eta 00m:00s] Threads: 2: [_VV] [100.0% done] [ 26236/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=5137 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.2%, 2=88.1%, 4=2.6%, 8=9.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=83.9%, 4=5.3%, 10=0.4%, 20=0.2%, 50=0.2%, 100=0.6% lat (msec): 250=6.2%, 500=2.1%, 750=0.7%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5138 read : io=100MiB, bw=4,176KiB/s, runt= 25107msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 407, avg=40.33, stdev=66.26 bw (KiB/s) : min= 7, max=19448, per=115.96%, avg=10439.82, stdev=5986.30 write: io=91,104KiB, bw=5,064KiB/s, runt= 18420msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 358, avg= 1.51, stdev=15.35 bw (KiB/s) : min= 0, max=89489, per=269.39%, avg=36879.33, stdev=46772.35 cpu : usr=3.55%, sys=1.47%, ctx=7575 IO depths : 1=3.4%, 2=57.9%, 4=27.5%, 8=11.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=47.5%, 4=2.3%, 10=20.4%, 20=11.8%, 50=6.9%, 100=2.7% lat (msec): 250=7.4%, 500=1.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5139 read : io=100MiB, bw=4,148KiB/s, runt= 25274msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 679, avg=76.34, stdev=116.49 bw (KiB/s) : min= 17, max=15701, per=63.66%, avg=5731.22, stdev=4853.04 write: io=70,232KiB, bw=3,906KiB/s, runt= 18412msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 439, avg= 3.40, stdev=29.20 bw (KiB/s) : min= 0, max=46353, per=103.85%, avg=14217.25, stdev=21644.22 cpu : usr=2.07%, sys=1.50%, ctx=7628 IO depths : 1=2.4%, 2=50.7%, 4=28.2%, 8=18.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=44.4%, 4=0.5%, 10=11.4%, 20=15.1%, 50=9.9%, 100=3.5% lat (msec): 250=10.7%, 500=3.4%, 750=1.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=217MiB, aggrb=9,003KiB/s, minb=0KiB/s, maxb=4,176KiB/s, mint=25107msec, maxt=25274msec WRITE: io=240MiB, aggrb=13,690KiB/s, minb=0KiB/s, maxb=5,064KiB/s, mint=25107msec, maxt=25274msec Disk stats (read/write): sda: ios=1647/2420, merge=5086/58864, ticks=101996/1993036, in_queue=2099560, util=98.27% 2.27user 1.04system 0:25.79elapsed 12%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2492minor)pagefaults 0swaps