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] [ 11878/ 46521 kb/s] [eta 00m:25s] Threads: 3: [mmm] [15.4% done] [ 11516/ 76339 kb/s] [eta 00m:22s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=32569, got signal=6 Threads: 2: [mm_] [41.7% done] [ 7001/ 36205 kb/s] [eta 00m:07s] Threads: 2: [mm_] [42.9% done] [ 7955/ 0 kb/s] [eta 00m:08s] Threads: 2: [Fm_] [70.0% done] [ 1090/ 41964 kb/s] [eta 00m:03s] Threads: 2: [Fm_] [66.7% done] [ 846/ 0 kb/s] [eta 00m:04s] Threads: 2: [FF_] [100.0% done] [ 1098/ 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: [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_] [67.9% done] [ 20432/ 0 kb/s] [eta 00m:09s] Threads: 2: [VV_] [80.8% done] [ 22784/ 0 kb/s] [eta 00m:05s] Threads: 2: [VV_] [88.0% done] [ 28896/ 0 kb/s] [eta 00m:03s] Threads: 2: [VV_] [100.0% done] [ 29006/ 0 kb/s] [eta 00m:00s] Threads: 2: [VV_] [100.0% done] [ 26289/ 0 kb/s] [eta 00m:00s] Threads: 1: [V__] [100.0% done] [ 23173/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=32567 read : io=100MiB, bw=4,184KiB/s, runt= 25059msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 711, avg=52.61, stdev=85.68 bw (KiB/s) : min= 2, max=22528, per=79.95%, avg=7223.67, stdev=6796.65 write: io=85,884KiB, bw=4,675KiB/s, runt= 18808msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 238, avg= 1.18, stdev=10.59 bw (KiB/s) : min= 0, max=17927, per=81.45%, avg=10614.00, stdev=9408.34 cpu : usr=2.84%, sys=1.50%, ctx=5500 IO depths : 1=2.7%, 2=51.7%, 4=29.5%, 8=16.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=44.5%, 4=1.0%, 10=12.8%, 20=15.5%, 50=10.9%, 100=4.8% lat (msec): 250=8.2%, 500=1.7%, 750=0.4%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=32568 read : io=100MiB, bw=4,291KiB/s, runt= 24373msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 535, avg=65.14, stdev=86.42 bw (KiB/s) : min= 1, max=21340, per=77.23%, avg=6977.81, stdev=5872.44 write: io=67,756KiB, bw=3,688KiB/s, runt= 18808msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 259, avg= 1.60, stdev=15.79 bw (KiB/s) : min= 0, max=16603, per=63.70%, avg=8301.50, stdev=11740.09 cpu : usr=2.12%, sys=1.41%, ctx=5340 IO depths : 1=1.9%, 2=49.0%, 4=28.2%, 8=21.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=43.6%, 4=0.0%, 10=4.5%, 20=20.7%, 50=11.8%, 100=4.0% lat (msec): 250=12.3%, 500=2.6%, 750=0.1%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=32569 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.2%, 2=86.0%, 4=4.4%, 8=9.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=87.2%, 4=0.1%, 10=0.0%, 20=0.3%, 50=2.0%, 100=1.6% lat (msec): 250=5.7%, 500=2.5%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=216MiB, aggrb=9,035KiB/s, minb=0KiB/s, maxb=4,291KiB/s, mint=0msec, maxt=25059msec WRITE: io=234MiB, aggrb=13,032KiB/s, minb=0KiB/s, maxb=4,675KiB/s, mint=0msec, maxt=25059msec Disk stats (read/write): sda: ios=3246/2607, merge=837/57137, ticks=47624/1911080, in_queue=1959500, util=98.34% 1.91user 1.01system 0:25.41elapsed 11%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2481minor)pagefaults 0swaps