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: [mFm] [50.0% done] [ 8920/ 0 kb/s] [eta 00m:03s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=24067, got signal=6 Threads: 2: [_Fm] [66.7% done] [ 836/ 62532 kb/s] [eta 00m:02s] Threads: 2: [_FF] [100.0% done] [ 0/ 2248 kb/s] [eta 00m:00s] Threads: 2: [_FF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [_FF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [_FF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [_FF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [_FF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [_FF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [_FF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [_FF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [_VF] [66.7% done] [ 0/ 0 kb/s] [eta 00m:07s] Threads: 2: [_VF] [78.9% done] [ 13620/ 0 kb/s] [eta 00m:04s] Threads: 2: [_VF] [84.2% done] [ 12168/ 0 kb/s] [eta 00m:03s] Threads: 2: [_VF] [94.4% done] [ 16708/ 0 kb/s] [eta 00m:01s] Threads: 2: [_VF] [100.0% done] [ 9476/ 0 kb/s] [eta 00m:00s] Threads: 2: [_VV] [67.9% done] [ 17320/ 0 kb/s] [eta 00m:09s] Threads: 2: [_VV] [69.0% done] [ 26792/ 0 kb/s] [eta 00m:09s] Threads: 1: [__V] [87.5% done] [ 30117/ 0 kb/s] [eta 00m:03s] Threads: 1: [__V] [100.0% done] [ 33628/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=24067 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.2%, 2=86.7%, 4=3.4%, 8=9.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=86.7%, 4=1.9%, 10=0.1%, 20=0.0%, 50=0.2%, 100=4.1% lat (msec): 250=6.7%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=24068 read : io=100MiB, bw=5,048KiB/s, runt= 20770msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 316, avg=33.40, stdev=45.63 bw (KiB/s) : min= 3, max=31539, per=138.66%, avg=13054.47, stdev=8757.71 write: io=99,480KiB, bw=7,111KiB/s, runt= 14324msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 118, avg= 0.59, stdev= 5.15 bw (KiB/s) : min= 0, max=119996, per=267.54%, avg=40035.33, stdev=69247.99 cpu : usr=4.01%, sys=2.29%, ctx=5752 IO depths : 1=0.9%, 2=52.7%, 4=31.4%, 8=15.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=49.1%, 4=2.0%, 10=12.8%, 20=17.6%, 50=8.6%, 100=4.6% lat (msec): 250=4.9%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=24069 read : io=100MiB, bw=4,470KiB/s, runt= 23451msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 647, avg=33.63, stdev=69.66 bw (KiB/s) : min= 2, max=35888, per=136.50%, avg=12851.75, stdev=13899.60 write: io=86,468KiB, bw=4,664KiB/s, runt= 18984msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 367, avg= 1.50, stdev=18.50 bw (KiB/s) : min= 0, max=16704, per=55.81%, avg=8352.00, stdev=11811.51 cpu : usr=2.90%, sys=1.57%, ctx=5486 IO depths : 1=1.3%, 2=53.0%, 4=30.1%, 8=15.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=47.2%, 4=0.2%, 10=20.6%, 20=16.7%, 50=6.5%, 100=3.4% lat (msec): 250=4.0%, 500=1.2%, 750=0.2%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=211MiB, aggrb=9,415KiB/s, minb=0KiB/s, maxb=5,048KiB/s, mint=20770msec, maxt=23451msec WRITE: io=271MiB, aggrb=14,964KiB/s, minb=0KiB/s, maxb=7,111KiB/s, mint=20770msec, maxt=23451msec Disk stats (read/write): sda: ios=2569/2711, merge=998/66427, ticks=53868/2399676, in_queue=2478672, util=98.65% 2.32user 1.08system 0:23.79elapsed 14%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2498minor)pagefaults 0swaps