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: [mmF] [37.5% done] [ 1304/ 536 kb/s] [eta 00m:05s] Threads: 3: [mmF] [40.0% done] [ 1252/ 332 kb/s] [eta 00m:06s] Threads: 3: [mmF] [38.5% done] [ 1496/ 0 kb/s] [eta 00m:08s] Threads: 3: [mmF] [40.0% done] [ 1892/ 292 kb/s] [eta 00m:09s] Threads: 3: [mmF] [41.2% done] [ 2192/ 980 kb/s] [eta 00m:10s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=5173, got signal=6 Threads: 2: [m_F] [40.0% done] [ 1936/ 25596 kb/s] [eta 00m:12s] Threads: 2: [m_F] [40.9% done] [ 1024/ 0 kb/s] [eta 00m:13s] Threads: 2: [m_F] [45.5% done] [ 776/ 3992 kb/s] [eta 00m:12s] Threads: 2: [m_F] [55.0% done] [ 1072/ 13968 kb/s] [eta 00m:09s] Threads: 2: [m_F] [54.5% done] [ 720/ 0 kb/s] [eta 00m:10s] Threads: 2: [F_F] [100.0% done] [ 932/ 18528 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_V] [69.6% done] [ 88/ 0 kb/s] [eta 00m:07s] Threads: 2: [F_V] [73.9% done] [ 7784/ 0 kb/s] [eta 00m:06s] Threads: 2: [F_V] [85.7% done] [ 21164/ 0 kb/s] [eta 00m:03s] Threads: 2: [F_V] [100.0% done] [ 16792/ 0 kb/s] [eta 00m:00s] Threads: 2: [F_V] [100.0% done] [ 22028/ 0 kb/s] [eta 00m:00s] Threads: 2: [F_V] [100.0% done] [ 23692/ 0 kb/s] [eta 00m:00s] Threads: 1: [V__] [68.8% done] [ 12028/ 0 kb/s] [eta 00m:10s] Threads: 1: [V__] [88.5% done] [ 29224/ 0 kb/s] [eta 00m:03s] Threads: 1: [V__] [100.0% done] [ 39056/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=5172 read : io=100MiB, bw=4,149KiB/s, runt= 25266msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 999, avg=63.14, stdev=164.76 bw (KiB/s) : min= 0, max=40099, per=80.44%, avg=6872.21, stdev=13476.33 write: io=92,020KiB, bw=4,183KiB/s, runt= 22524msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 847, avg= 7.37, stdev=51.00 bw (KiB/s) : min= 0, max=54132, per=87.03%, avg=11503.14, stdev=19634.65 cpu : usr=4.12%, sys=1.33%, ctx=6509 IO depths : 1=14.6%, 2=39.1%, 4=31.9%, 8=14.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=43.0%, 4=0.2%, 10=26.8%, 20=16.8%, 50=6.1%, 100=0.9% lat (msec): 250=0.8%, 500=2.4%, 750=1.9%, 1000=0.9%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5173 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=1.4%, 2=84.9%, 4=6.4%, 8=7.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=75.5%, 4=8.4%, 10=2.2%, 20=2.8%, 50=2.6%, 100=0.7% lat (msec): 250=2.2%, 500=2.6%, 750=1.8%, 1000=0.8%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5174 read : io=100MiB, bw=4,723KiB/s, runt= 22198msec clat (msec): min= 0, max= 489, avg=26.25, stdev=44.40 bw (KiB/s) : min= 5, max=26140, per=191.13%, avg=16328.00, stdev=8783.19 write: io=100MiB, bw=6,442KiB/s, runt= 16276msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 14, avg= 0.24, stdev= 0.89 bw (KiB/s) : min= 0, max=125976, per=476.57%, avg=62988.00, stdev=89078.48 cpu : usr=3.82%, sys=1.59%, ctx=5095 IO depths : 1=2.0%, 2=58.4%, 4=30.1%, 8=9.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=51.5%, 4=0.2%, 10=21.3%, 20=13.3%, 50=5.3%, 100=6.6% lat (msec): 250=1.1%, 500=0.4%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=206MiB, aggrb=8,543KiB/s, minb=0KiB/s, maxb=4,723KiB/s, mint=22198msec, maxt=25266msec WRITE: io=284MiB, aggrb=13,217KiB/s, minb=0KiB/s, maxb=6,442KiB/s, mint=22198msec, maxt=25266msec Disk stats (read/write): sda: ios=2277/2816, merge=674/69708, ticks=57532/2841908, in_queue=2912816, util=94.99% 3.04user 0.92system 0:25.71elapsed 15%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2490minor)pagefaults 0swaps