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] [10.0% done] [ 13616/ 2500 kb/s] [eta 00m:27s] Threads: 3: [mmm] [12.1% done] [ 16588/ 0 kb/s] [eta 00m:29s] Threads: 3: [mmm] [14.3% done] [ 8640/ 7572 kb/s] [eta 00m:30s] Threads: 3: [mmm] [15.4% done] [ 8428/ 4184 kb/s] [eta 00m:33s] Threads: 3: [mmm] [18.4% done] [ 6174/ 7275 kb/s] [eta 00m:31s] Threads: 3: [mmm] [20.5% done] [ 8164/ 4924 kb/s] [eta 00m:31s] Threads: 3: [mmm] [23.1% done] [ 11136/ 1656 kb/s] [eta 00m:30s] Threads: 3: [mmm] [25.6% done] [ 5788/ 7712 kb/s] [eta 00m:29s] Threads: 3: [mmm] [28.2% done] [ 10704/ 1204 kb/s] [eta 00m:28s] Threads: 3: [mmm] [29.3% done] [ 8356/ 3332 kb/s] [eta 00m:29s] Threads: 3: [mmm] [30.2% done] [ 6712/ 4060 kb/s] [eta 00m:30s] Threads: 3: [mmm] [32.6% done] [ 8528/ 3280 kb/s] [eta 00m:29s] Threads: 3: [mmm] [34.9% done] [ 8268/ 1748 kb/s] [eta 00m:28s] Threads: 3: [mmm] [37.2% done] [ 9100/ 1240 kb/s] [eta 00m:27s] Threads: 3: [mmm] [38.6% done] [ 3504/ 7072 kb/s] [eta 00m:27s] Threads: 3: [mmm] [41.9% done] [ 3356/ 8164 kb/s] [eta 00m:25s] Threads: 3: [mmm] [44.2% done] [ 6720/ 1708 kb/s] [eta 00m:24s] Threads: 3: [mmm] [46.5% done] [ 4432/ 5692 kb/s] [eta 00m:23s] Threads: 3: [mmm] [47.7% done] [ 2156/ 6388 kb/s] [eta 00m:23s] Threads: 3: [mmm] [48.9% done] [ 1180/ 6504 kb/s] [eta 00m:23s] Threads: 3: [mVm] [50.0% done] [ 9524/ 2068 kb/s] [eta 00m:23s] Threads: 3: [mVm] [50.0% done] [ 12328/ 768 kb/s] [eta 00m:24s] Threads: 3: [mVm] [51.0% done] [ 14144/ 452 kb/s] [eta 00m:24s] Threads: 2: [m_m] [53.1% done] [ 6760/ 384 kb/s] [eta 00m:23s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=16690, got signal=6 Threads: 1: [m__] [56.2% done] [ 6796/ 0 kb/s] [eta 00m:21s] Threads: 1: [m__] [62.2% done] [ 8788/ 0 kb/s] [eta 00m:17s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. Threads: 1: [m__] [67.4% done] [ 3316/ 5212 kb/s] [eta 00m:14s] fio: pid=16688, got signal=6 fio: (groupid=0): err= 0: pid=16688 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.7%, 2=2.8%, 4=36.1%, 8=60.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.2%, 4=0.0%, 10=3.0%, 20=3.1%, 50=34.2%, 100=11.2% lat (msec): 250=29.2%, 500=14.1%, 750=1.8%, 1000=1.4%, >=2000=0.4% fio: (groupid=0): err= 0: pid=16689 read : io=100MiB, bw=4,071KiB/s, runt= 25737msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 294, avg=88.69, stdev=59.94 bw (KiB/s) : min= 77, max=15311, per=53.18%, avg=4907.74, stdev=3601.18 write: io=35,508KiB, bw=1,621KiB/s, runt= 22424msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 413, avg=79.56, stdev=70.59 bw (KiB/s) : min= 0, max= 7004, per=72.89%, avg=3679.00, stdev=2651.91 cpu : usr=0.17%, sys=0.44%, ctx=5570 IO depths : 1=0.6%, 2=3.1%, 4=37.4%, 8=58.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.2%, 4=0.0%, 10=3.2%, 20=7.3%, 50=27.8%, 100=20.8% lat (msec): 250=38.1%, 500=1.4%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=16690 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.6%, 2=2.4%, 4=31.6%, 8=65.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.5%, 4=0.0%, 10=0.6%, 20=2.4%, 50=13.1%, 100=27.5% lat (msec): 250=50.4%, 500=3.7%, 750=0.5%, 1000=0.5%, >=2000=0.3% Run status group 0 (all jobs): READ: io=227MiB, aggrb=9,229KiB/s, minb=0KiB/s, maxb=4,071KiB/s, mint=0msec, maxt=25737msec WRITE: io=108MiB, aggrb=5,047KiB/s, minb=0KiB/s, maxb=1,621KiB/s, mint=0msec, maxt=25737msec Disk stats (read/write): sda: ios=4256/2339, merge=608/206, ticks=66248/70472, in_queue=136720, util=98.97% 0.24user 0.35system 0:30.15elapsed 2%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2486minor)pagefaults 0swaps