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] [6.5% done] [ 2616/ 1004 kb/s] [eta 00m:43s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=15929, got signal=6 Threads: 2: [_mm] [7.3% done] [ 2880/ 6060 kb/s] [eta 00m:51s] Threads: 2: [_mm] [8.3% done] [ 3344/ 0 kb/s] [eta 00m:55s] Threads: 2: [_mm] [10.0% done] [ 2448/ 0 kb/s] [eta 00m:54s] Threads: 2: [_mm] [11.7% done] [ 2420/ 5840 kb/s] [eta 00m:53s] Threads: 2: [_mm] [13.3% done] [ 1408/ 52368 kb/s] [eta 00m:52s] Threads: 2: [_FF] [100.0% done] [ 248/ 92488 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: [_VV] [69.2% done] [ 7504/ 0 kb/s] [eta 00m:08s] Threads: 2: [_VV] [76.0% done] [ 25763/ 0 kb/s] [eta 00m:06s] Threads: 2: [_VV] [87.0% done] [ 31840/ 0 kb/s] [eta 00m:03s] Threads: 2: [_VV] [91.3% done] [ 29496/ 0 kb/s] [eta 00m:02s] Threads: 2: [_VV] [100.0% done] [ 26616/ 0 kb/s] [eta 00m:00s] Threads: 2: [_VV] [100.0% done] [ 35528/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=15929 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=9.8%, 2=81.9%, 4=4.4%, 8=3.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=89.5%, 4=1.8%, 10=1.8%, 20=1.5%, 50=1.2%, 100=1.1% lat (msec): 250=0.9%, 500=1.1%, 750=0.8%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=15930 read : io=100MiB, bw=4,369KiB/s, runt= 23998msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 1016, avg=55.69, stdev=131.80 bw (KiB/s) : min= 24, max=22942, per=77.97%, avg=6775.42, stdev=7867.22 write: io=93,136KiB, bw=5,318KiB/s, runt= 17932msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 886, avg= 8.83, stdev=61.82 bw (KiB/s) : min= 0, max=42313, per=59.92%, avg=9576.33, stdev=16996.19 cpu : usr=3.48%, sys=1.98%, ctx=5566 IO depths : 1=4.8%, 2=48.0%, 4=33.5%, 8=13.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=44.9%, 4=0.2%, 10=20.2%, 20=18.4%, 50=5.4%, 100=1.2% lat (msec): 250=6.1%, 500=1.3%, 750=1.9%, 1000=0.3%, >=2000=0.0% fio: (groupid=0): err= 0: pid=15931 read : io=100MiB, bw=4,291KiB/s, runt= 24398msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 1023, avg=62.47, stdev=143.47 bw (KiB/s) : min= 2, max=23519, per=75.72%, avg=6579.78, stdev=7379.67 write: io=86,812KiB, bw=4,960KiB/s, runt= 17920msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 894, avg= 6.48, stdev=58.99 bw (KiB/s) : min= 0, max=137265, per=173.60%, avg=27746.40, stdev=61223.45 cpu : usr=2.56%, sys=1.49%, ctx=5504 IO depths : 1=1.3%, 2=53.7%, 4=30.4%, 8=14.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=48.2%, 4=0.0%, 10=18.5%, 20=15.3%, 50=5.4%, 100=2.3% lat (msec): 250=6.4%, 500=1.5%, 750=1.4%, 1000=0.6%, >=2000=0.1% Run status group 0 (all jobs): READ: io=202MiB, aggrb=8,690KiB/s, minb=0KiB/s, maxb=4,369KiB/s, mint=23998msec, maxt=24398msec WRITE: io=273MiB, aggrb=15,983KiB/s, minb=0KiB/s, maxb=5,318KiB/s, mint=23998msec, maxt=24398msec Disk stats (read/write): sda: ios=2457/2642, merge=833/67212, ticks=67344/2281272, in_queue=2348616, util=99.01% 2.44user 1.12system 0:24.71elapsed 14%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2489minor)pagefaults 0swaps