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] [27.3% done] [ 2272/ 17108 kb/s] [eta 00m:08s] Threads: 3: [mmF] [26.7% done] [ 1808/ 0 kb/s] [eta 00m:11s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=13107, got signal=6 Threads: 2: [F_F] [100.0% done] [ 916/100520 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: [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] [68.0% done] [ 824/ 0 kb/s] [eta 00m:08s] Threads: 2: [V_V] [69.2% done] [ 27332/ 0 kb/s] [eta 00m:08s] Threads: 2: [V_V] [76.0% done] [ 25752/ 0 kb/s] [eta 00m:06s] Threads: 2: [V_V] [87.0% done] [ 33680/ 0 kb/s] [eta 00m:03s] Threads: 2: [V_V] [100.0% done] [ 36392/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_V] [100.0% done] [ 32246/ 0 kb/s] [eta 00m:00s] Threads: 1: [V__] [100.0% done] [ 31863/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=13106 read : io=100MiB, bw=4,415KiB/s, runt= 23746msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 830, avg=46.02, stdev=96.78 bw (KiB/s) : min= 0, max=36303, per=98.10%, avg=9185.76, stdev=9604.89 write: io=94,012KiB, bw=5,595KiB/s, runt= 17204msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 675, avg= 3.25, stdev=33.22 bw (KiB/s) : min= 0, max=32617, per=81.64%, avg=13710.67, stdev=16917.84 cpu : usr=3.20%, sys=1.57%, ctx=5325 IO depths : 1=2.5%, 2=58.0%, 4=28.1%, 8=11.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=49.7%, 4=0.2%, 10=20.5%, 20=15.2%, 50=4.3%, 100=0.9% lat (msec): 250=6.8%, 500=1.7%, 750=0.4%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=13107 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.2%, 2=90.9%, 4=2.0%, 8=6.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=89.8%, 4=1.0%, 10=0.2%, 20=0.0%, 50=0.4%, 100=2.2% lat (msec): 250=3.2%, 500=1.8%, 750=1.0%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=13108 read : io=100MiB, bw=4,573KiB/s, runt= 22925msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 362, avg=29.59, stdev=52.01 bw (KiB/s) : min= 1, max=32117, per=152.14%, avg=14246.69, stdev=9029.94 write: io=98,248KiB, bw=5,846KiB/s, runt= 17208msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 146, avg= 0.71, stdev= 7.32 bw (KiB/s) : min= 0, max=123936, per=368.99%, avg=61968.00, stdev=87635.99 cpu : usr=3.56%, sys=1.68%, ctx=5289 IO depths : 1=2.5%, 2=58.7%, 4=29.0%, 8=9.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=50.5%, 4=1.0%, 10=21.6%, 20=13.9%, 50=5.8%, 100=1.0% lat (msec): 250=5.2%, 500=0.8%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=212MiB, aggrb=9,364KiB/s, minb=0KiB/s, maxb=4,573KiB/s, mint=22925msec, maxt=23746msec WRITE: io=276MiB, aggrb=16,794KiB/s, minb=0KiB/s, maxb=5,846KiB/s, mint=22925msec, maxt=23746msec Disk stats (read/write): sda: ios=2295/2528, merge=958/67851, ticks=49040/2165076, in_queue=2218404, util=98.05% 2.34user 1.02system 0:24.16elapsed 13%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2487minor)pagefaults 0swaps