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] [12.5% done] [ 14372/ 5286 kb/s] [eta 00m:21s] Threads: 3: [mmm] [16.7% done] [ 14039/ 5034 kb/s] [eta 00m:20s] Threads: 3: [mmm] [20.8% done] [ 12271/ 5189 kb/s] [eta 00m:19s] Threads: 3: [mmm] [25.0% done] [ 14982/ 2104 kb/s] [eta 00m:18s] Threads: 3: [mmm] [28.0% done] [ 16481/ 959 kb/s] [eta 00m:18s] Threads: 3: [mmm] [32.0% done] [ 10402/ 7107 kb/s] [eta 00m:17s] Threads: 3: [mmm] [36.0% done] [ 6582/ 9862 kb/s] [eta 00m:16s] Threads: 3: [mmm] [38.5% done] [ 12292/ 2694 kb/s] [eta 00m:16s] Threads: 3: [mmm] [42.3% done] [ 898/ 15583 kb/s] [eta 00m:15s] Threads: 3: [mmm] [46.2% done] [ 5010/ 8858 kb/s] [eta 00m:14s] Threads: 3: [mmm] [48.1% done] [ 10349/ 0 kb/s] [eta 00m:14s] Threads: 3: [mmm] [50.0% done] [ 6802/ 5892 kb/s] [eta 00m:14s] Threads: 3: [mmm] [53.6% done] [ 3551/ 8939 kb/s] [eta 00m:13s] Threads: 3: [mmm] [55.2% done] [ 4599/ 5814 kb/s] [eta 00m:13s] Threads: 3: [mmm] [56.7% done] [ 3998/ 6651 kb/s] [eta 00m:13s] Threads: 3: [mmm] [58.1% done] [ 2612/ 7050 kb/s] [eta 00m:13s] Threads: 3: [mmm] [59.4% done] [ 4030/ 4368 kb/s] [eta 00m:13s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=8334, got signal=6 Threads: 2: [m_m] [62.5% done] [ 2198/ 6107 kb/s] [eta 00m:12s] Threads: 2: [m_V] [63.6% done] [ 8517/ 325 kb/s] [eta 00m:12s] Threads: 2: [m_V] [62.9% done] [ 18944/ 613 kb/s] [eta 00m:13s] Threads: 2: [m_V] [63.9% done] [ 17964/ 166 kb/s] [eta 00m:13s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=8333, got signal=6 fio: (groupid=0): err= 0: pid=8333 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.4%, 2=2.5%, 4=29.8%, 8=67.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.7%, 4=0.4%, 10=1.9%, 20=5.6%, 50=15.3%, 100=27.0% lat (msec): 250=41.4%, 500=5.7%, 750=1.1%, 1000=0.6%, >=2000=0.0% fio: (groupid=0): err= 0: pid=8334 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.4%, 2=2.7%, 4=32.3%, 8=64.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.6%, 4=1.2%, 10=1.9%, 20=5.8%, 50=17.2%, 100=29.1% lat (msec): 250=43.0%, 500=0.9%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=8335 read : io=99MiB, bw=4,461KiB/s, runt= 23359msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 626, avg=74.40, stdev=58.76 bw (KiB/s) : min= 7, max=19644, per=52.98%, avg=5020.49, stdev=5008.53 write: io=40,144KiB, bw=1,950KiB/s, runt= 21071msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 3, max= 538, avg=91.04, stdev=82.38 bw (KiB/s) : min= 0, max= 8343, per=51.38%, avg=3255.33, stdev=2623.27 cpu : usr=0.24%, sys=0.50%, ctx=8123 IO depths : 1=0.3%, 2=1.5%, 4=33.7%, 8=64.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.0%, 4=0.5%, 10=2.1%, 20=12.0%, 50=31.6%, 100=20.2% lat (msec): 250=31.1%, 500=1.8%, 750=0.3%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=211MiB, aggrb=9,476KiB/s, minb=0KiB/s, maxb=4,461KiB/s, mint=23359msec, maxt=23359msec WRITE: io=127MiB, aggrb=6,336KiB/s, minb=0KiB/s, maxb=1,950KiB/s, mint=23359msec, maxt=23359msec Disk stats (read/write): sda: ios=3517/2456, merge=623/397, ticks=41736/103328, in_queue=145060, util=99.06% 0.28user 0.34system 0:24.43elapsed 2%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2488minor)pagefaults 0swaps