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 fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=5149, got signal=6 Threads: 2 Threads: 2: [_Fm] [30.0% done] [ 4372/ 52756 kb/s] [eta 00m:07s] Threads: 2: [_Fm] [30.8% done] [ 880/ 0 kb/s] [eta 00m:09s] Threads: 2: [_Fm] [31.2% done] [ 1196/ 564 kb/s] [eta 00m:11s] Threads: 2: [_Fm] [33.3% done] [ 1300/ 168 kb/s] [eta 00m:12s] Threads: 2: [_Fm] [33.3% done] [ 1424/ 0 kb/s] [eta 00m:14s] Threads: 2: [_Fm] [34.8% done] [ 800/ 0 kb/s] [eta 00m:15s] Threads: 2: [_Fm] [34.6% done] [ 1032/ 612 kb/s] [eta 00m:17s] Threads: 2: [_Fm] [52.6% done] [ 856/ 25020 kb/s] [eta 00m:09s] Threads: 2: [_FF] [100.0% done] [ 0/ 23416 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] [72.0% done] [ 8088/ 0 kb/s] [eta 00m:07s] Threads: 2: [_VF] [86.4% done] [ 19178/ 0 kb/s] [eta 00m:03s] Threads: 2: [_VV] [69.0% done] [ 19688/ 0 kb/s] [eta 00m:09s] Threads: 2: [_VV] [75.0% done] [ 29580/ 0 kb/s] [eta 00m:07s] Threads: 2: [_VV] [84.6% done] [ 25500/ 0 kb/s] [eta 00m:04s] Threads: 1: [_EV] [95.8% done] [ 31780/ 0 kb/s] [eta 00m:01s] Threads: 1: [__V] [100.0% done] [ 30205/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=5149 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.2%, 2=97.6%, 4=1.1%, 8=1.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=93.1%, 4=4.8%, 10=0.4%, 20=0.1%, 50=0.1%, 100=0.2% lat (msec): 250=0.5%, 500=0.8%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5150 read : io=100MiB, bw=4,471KiB/s, runt= 23445msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 487, avg=33.90, stdev=59.00 bw (KiB/s) : min= 12, max=24405, per=160.00%, avg=13627.43, stdev=7543.67 write: io=91,940KiB, bw=5,283KiB/s, runt= 17820msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 110, avg= 0.45, stdev= 5.05 bw (KiB/s) : min= 0, max=130629, per=467.97%, avg=65314.50, stdev=92368.65 cpu : usr=3.22%, sys=1.67%, ctx=5373 IO depths : 1=1.1%, 2=56.2%, 4=30.3%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=50.0%, 4=0.1%, 10=19.6%, 20=14.9%, 50=6.1%, 100=3.1% lat (msec): 250=4.9%, 500=1.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5151 read : io=100MiB, bw=4,204KiB/s, runt= 24942msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 766, avg=59.95, stdev=132.95 bw (KiB/s) : min= 6, max=32012, per=78.54%, avg=6689.38, stdev=9102.76 write: io=81,304KiB, bw=4,157KiB/s, runt= 20024msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 655, avg= 7.54, stdev=53.87 bw (KiB/s) : min= 0, max=15796, per=20.31%, avg=2834.83, stdev=6351.54 cpu : usr=3.56%, sys=1.44%, ctx=5712 IO depths : 1=1.2%, 2=52.3%, 4=29.9%, 8=16.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=42.7%, 4=3.0%, 10=18.6%, 20=17.7%, 50=6.2%, 100=2.1% lat (msec): 250=5.1%, 500=2.1%, 750=2.2%, 1000=0.1%, >=2000=0.0% Run status group 0 (all jobs): READ: io=203MiB, aggrb=8,517KiB/s, minb=0KiB/s, maxb=4,471KiB/s, mint=23445msec, maxt=24942msec WRITE: io=267MiB, aggrb=13,957KiB/s, minb=0KiB/s, maxb=5,283KiB/s, mint=23445msec, maxt=24942msec Disk stats (read/write): sda: ios=2606/2691, merge=797/65430, ticks=58516/2183504, in_queue=2244496, util=97.91% 2.70user 1.00system 0:25.50elapsed 14%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2499minor)pagefaults 0swaps