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] [60.0% done] [ 3660/ 78707 kb/s] [eta 00m:02s] Threads: 3: [mFm] [66.7% done] [ 7256/ 0 kb/s] [eta 00m:02s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=29053, got signal=6 Threads: 2: [_FF] [100.0% done] [ 1274/ 13190 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] [72.2% done] [ 5016/ 0 kb/s] [eta 00m:05s] Threads: 2: [_VF] [82.4% done] [ 17024/ 0 kb/s] [eta 00m:03s] Threads: 2: [_VF] [88.2% done] [ 9608/ 0 kb/s] [eta 00m:02s] Threads: 2: [_VF] [100.0% done] [ 20800/ 0 kb/s] [eta 00m:00s] Threads: 2: [_VV] [70.8% done] [ 36412/ 0 kb/s] [eta 00m:07s] Threads: 1: [__V] [90.0% done] [ 47012/ 0 kb/s] [eta 00m:02s] Threads: 1: [__V] [100.0% done] [ 40412/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=29053 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.3%, 2=79.4%, 4=8.2%, 8=12.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=72.7%, 4=6.1%, 10=4.3%, 20=0.6%, 50=3.0%, 100=7.9% lat (msec): 250=4.4%, 500=0.1%, 750=0.4%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=29054 read : io=100MiB, bw=5,810KiB/s, runt= 18045msec clat (msec): min= 0, max= 299, avg=25.39, stdev=37.45 bw (KiB/s) : min= 10, max=37527, per=149.18%, avg=16770.73, stdev=11469.93 write: io=100MiB, bw=8,409KiB/s, runt= 12469msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 10, avg= 0.57, stdev= 1.28 bw (KiB/s) : min= 0, max=133791, per=377.40%, avg=66789.00, stdev=66895.75 cpu : usr=5.81%, sys=2.19%, ctx=4905 IO depths : 1=1.5%, 2=54.7%, 4=33.2%, 8=10.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=45.1%, 4=5.2%, 10=22.0%, 20=12.4%, 50=7.6%, 100=4.0% lat (msec): 250=3.3%, 500=0.2%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=29055 read : io=100MiB, bw=5,301KiB/s, runt= 19780msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 643, avg=28.90, stdev=60.85 bw (KiB/s) : min= 3, max=43308, per=116.29%, avg=13073.07, stdev=16736.44 write: io=91,272KiB, bw=5,693KiB/s, runt= 16415msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 262, avg= 1.77, stdev=15.55 bw (KiB/s) : min= 0, max=110950, per=179.57%, avg=31777.75, stdev=53318.54 cpu : usr=4.06%, sys=1.60%, ctx=5171 IO depths : 1=1.7%, 2=52.5%, 4=30.8%, 8=14.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=44.2%, 4=1.7%, 10=26.5%, 20=14.3%, 50=4.4%, 100=4.0% lat (msec): 250=4.2%, 500=0.4%, 750=0.2%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=212MiB, aggrb=11,242KiB/s, minb=0KiB/s, maxb=5,810KiB/s, mint=18045msec, maxt=19780msec WRITE: io=277MiB, aggrb=17,697KiB/s, minb=0KiB/s, maxb=8,409KiB/s, mint=18045msec, maxt=19780msec Disk stats (read/write): sda: ios=2259/2423, merge=626/68191, ticks=22064/2009468, in_queue=2107192, util=95.88% 2.83user 0.96system 0:20.10elapsed 18%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2489minor)pagefaults 0swaps