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] [7.5% done] [ 9988/ 34456 kb/s] [eta 00m:37s] Threads: 3: [mmm] [9.3% done] [ 7908/ 13332 kb/s] [eta 00m:39s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=13674, got signal=6 Threads: 2: [m_m] [12.8% done] [ 9332/ 42444 kb/s] [eta 00m:34s] Threads: 2: [m_m] [35.3% done] [ 3860/ 49072 kb/s] [eta 00m:11s] Threads: 2: [m_m] [36.8% done] [ 2444/ 6656 kb/s] [eta 00m:12s] Threads: 2: [m_F] [53.3% done] [ 1348/ 46612 kb/s] [eta 00m:07s] Threads: 2: [m_F] [52.9% done] [ 856/ 0 kb/s] [eta 00m:08s] Threads: 2: [m_F] [52.6% done] [ 804/ 0 kb/s] [eta 00m:09s] Threads: 2: [m_F] [68.8% done] [ 920/ 18932 kb/s] [eta 00m:05s] Threads: 2: [F_F] [100.0% done] [ 2260/ 0 kb/s] [eta 00m:00s] Threads: 2: [F_F] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [F_F] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [F_F] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [F_F] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [F_F] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [F_F] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [F_F] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [F_F] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_V] [67.7% done] [ 9796/ 0 kb/s] [eta 00m:10s] Threads: 2: [V_V] [75.9% done] [ 19764/ 0 kb/s] [eta 00m:07s] Threads: 2: [V_V] [85.2% done] [ 30744/ 0 kb/s] [eta 00m:04s] Threads: 2: [V_V] [92.3% done] [ 27944/ 0 kb/s] [eta 00m:02s] Threads: 2: [V_V] [100.0% done] [ 30152/ 0 kb/s] [eta 00m:00s] Threads: 1: [__V] [100.0% done] [ 28840/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=13673 read : io=100MiB, bw=3,963KiB/s, runt= 26437msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 594, avg=75.73, stdev=121.24 bw (KiB/s) : min= 9, max=18027, per=69.83%, avg=5736.94, stdev=5842.19 write: io=74,416KiB, bw=3,646KiB/s, runt= 20895msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 451, avg= 3.01, stdev=27.38 bw (KiB/s) : min= 0, max=35910, per=104.44%, avg=12577.00, stdev=20227.47 cpu : usr=2.18%, sys=1.32%, ctx=8647 IO depths : 1=1.0%, 2=47.7%, 4=28.9%, 8=22.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=43.5%, 4=0.4%, 10=12.8%, 20=17.4%, 50=8.2%, 100=2.4% lat (msec): 250=9.4%, 500=4.4%, 750=1.1%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=13674 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.3%, 2=89.6%, 4=2.5%, 8=7.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=89.8%, 4=1.2%, 10=0.2%, 20=0.1%, 50=0.3%, 100=0.6% lat (msec): 250=4.4%, 500=2.9%, 750=0.1%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=13675 read : io=100MiB, bw=3,876KiB/s, runt= 27050msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 1055, avg=64.29, stdev=113.28 bw (KiB/s) : min= 15, max=25028, per=94.30%, avg=7747.92, stdev=7031.94 write: io=81,312KiB, bw=3,986KiB/s, runt= 20888msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 599, avg= 3.94, stdev=34.79 bw (KiB/s) : min= 0, max= 9037, per=25.77%, avg=3103.67, stdev=5140.24 cpu : usr=2.20%, sys=1.30%, ctx=8601 IO depths : 1=0.8%, 2=49.5%, 4=29.8%, 8=19.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=46.2%, 4=0.4%, 10=11.9%, 20=20.2%, 50=6.4%, 100=1.4% lat (msec): 250=9.6%, 500=3.1%, 750=0.7%, 1000=0.1%, >=2000=0.0% Run status group 0 (all jobs): READ: io=212MiB, aggrb=8,216KiB/s, minb=0KiB/s, maxb=3,963KiB/s, mint=27050msec, maxt=27050msec WRITE: io=240MiB, aggrb=12,042KiB/s, minb=0KiB/s, maxb=3,986KiB/s, mint=27050msec, maxt=27050msec Disk stats (read/write): sda: ios=3060/2567, merge=823/58757, ticks=59104/2167692, in_queue=2230592, util=98.96% 1.95user 1.00system 0:27.41elapsed 10%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2492minor)pagefaults 0swaps