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] [5.0% done] [ 964/ 0 kb/s] [eta 00m:57s] Threads: 3: [mmm] [20.0% done] [ 10052/ 58428 kb/s] [eta 00m:16s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=2507, got signal=6 Threads: 2: [m_m] [41.7% done] [ 9400/102656 kb/s] [eta 00m:07s] Threads: 2: [F_m] [42.9% done] [ 2404/ 22548 kb/s] [eta 00m:08s] Threads: 2: [F_m] [43.8% done] [ 0/ 0 kb/s] [eta 00m:09s] Threads: 2: [F_m] [44.4% done] [ 441/ 0 kb/s] [eta 00m:10s] Threads: 2: [F_m] [45.0% done] [ 260/ 239 kb/s] [eta 00m:11s] Threads: 2: [F_m] [43.5% done] [ 227/ 0 kb/s] [eta 00m:13s] Threads: 2: [F_m] [44.0% done] [ 386/ 0 kb/s] [eta 00m:14s] Threads: 2: [F_m] [44.4% done] [ 410/ 0 kb/s] [eta 00m:15s] Threads: 2: [F_m] [44.8% done] [ 52/ 377 kb/s] [eta 00m:16s] Threads: 2: [F_m] [53.8% done] [ 195/ 13726 kb/s] [eta 00m:12s] Threads: 2: [F_m] [65.2% done] [ 369/ 15099 kb/s] [eta 00m:08s] Threads: 2: [F_F] [100.0% done] [ 0/ 6068 kb/s] [eta 00m:00s] Threads: 2: [F_F] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_V] [69.2% done] [ 7237/ 0 kb/s] [eta 00m:08s] Threads: 2: [V_V] [79.2% done] [ 28314/ 0 kb/s] [eta 00m:05s] Threads: 2: [V_V] [87.0% done] [ 29249/ 0 kb/s] [eta 00m:03s] Threads: 2: [V_V] [100.0% done] [ 31630/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_V] [100.0% done] [ 38542/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_V] [100.0% done] [ 30423/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=2506 read : io=100MiB, bw=4,386KiB/s, runt= 23902msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 2010, avg=50.46, stdev=154.64 bw (KiB/s) : min= 3, max=22650, per=102.70%, avg=9469.21, stdev=8627.87 write: io=93,020KiB, bw=5,390KiB/s, runt= 17672msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 438, avg= 2.89, stdev=23.80 bw (KiB/s) : min= 0, max=36453, per=88.24%, avg=13973.50, stdev=15689.01 cpu : usr=3.82%, sys=2.02%, ctx=7998 IO depths : 1=5.0%, 2=45.6%, 4=32.8%, 8=16.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=44.0%, 4=3.4%, 10=16.1%, 20=19.9%, 50=4.7%, 100=2.8% lat (msec): 250=7.9%, 500=0.6%, 750=0.0%, 1000=0.0%, >=2000=0.5% fio: (groupid=0): err= 0: pid=2507 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.2%, 2=89.2%, 4=5.8%, 8=4.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=90.6%, 4=3.0%, 10=0.4%, 20=0.0%, 50=0.3%, 100=3.3% lat (msec): 250=1.4%, 500=0.1%, 750=0.0%, 1000=0.1%, >=2000=0.1% fio: (groupid=0): err= 0: pid=2508 read : io=100MiB, bw=4,412KiB/s, runt= 23759msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 2779, avg=88.98, stdev=291.43 bw (KiB/s) : min= 9, max=19554, per=64.23%, avg=5921.78, stdev=7286.67 write: io=88,416KiB, bw=5,124KiB/s, runt= 17666msec slat (msec): min= 0, max= 5, avg= 0.01, stdev= 0.17 clat (msec): min= 0, max= 1807, avg=13.63, stdev=114.85 bw (KiB/s) : min= 0, max= 7550, per=23.12%, avg=3661.67, stdev=3781.58 cpu : usr=3.92%, sys=2.21%, ctx=7864 IO depths : 1=3.6%, 2=41.6%, 4=33.8%, 8=21.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=37.8%, 4=2.7%, 10=13.9%, 20=23.6%, 50=6.3%, 100=4.8% lat (msec): 250=8.0%, 500=0.5%, 750=0.2%, 1000=0.2%, >=2000=1.3% Run status group 0 (all jobs): READ: io=210MiB, aggrb=9,220KiB/s, minb=0KiB/s, maxb=4,412KiB/s, mint=23759msec, maxt=23902msec WRITE: io=267MiB, aggrb=15,836KiB/s, minb=0KiB/s, maxb=5,390KiB/s, mint=23759msec, maxt=23902msec Disk stats (read/write): sda: ios=2596/3409, merge=865/64721, ticks=52256/1906920, in_queue=1960172, util=98.60% 2.71user 1.35system 0:24.29elapsed 16%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2482minor)pagefaults 0swaps