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] [9.4% done] [ 8374/ 8183 kb/s] [eta 00m:29s] Threads: 3: [mmm] [13.3% done] [ 8793/ 7549 kb/s] [eta 00m:26s] Threads: 3: [mmm] [16.1% done] [ 9520/ 3888 kb/s] [eta 00m:26s] Threads: 3: [mmm] [18.8% done] [ 10947/ 4177 kb/s] [eta 00m:26s] Threads: 3: [mmm] [21.9% done] [ 9057/ 4697 kb/s] [eta 00m:25s] Threads: 3: [mmm] [24.2% done] [ 3393/ 11077 kb/s] [eta 00m:25s] Threads: 3: [mmm] [27.3% done] [ 10765/ 2512 kb/s] [eta 00m:24s] Threads: 3: [mmm] [30.3% done] [ 1454/ 9707 kb/s] [eta 00m:23s] Threads: 3: [mmm] [30.6% done] [ 1676/ 11512 kb/s] [eta 00m:25s] Threads: 3: [mmm] [32.4% done] [ 5553/ 7434 kb/s] [eta 00m:25s] Threads: 3: [mmm] [33.3% done] [ 5338/ 6194 kb/s] [eta 00m:26s] Threads: 3: [mmm] [35.9% done] [ 8041/ 3257 kb/s] [eta 00m:25s] Threads: 3: [mmm] [37.5% done] [ 6989/ 4441 kb/s] [eta 00m:25s] Threads: 3: [mmm] [41.0% done] [ 8407/ 2757 kb/s] [eta 00m:23s] Threads: 3: [mmm] [42.5% done] [ 5128/ 4750 kb/s] [eta 00m:23s] Threads: 3: [mmm] [45.0% done] [ 4136/ 4632 kb/s] [eta 00m:22s] Threads: 3: [mmm] [46.3% done] [ 5022/ 3982 kb/s] [eta 00m:22s] Threads: 3: [mmm] [48.8% done] [ 5221/ 3258 kb/s] [eta 00m:21s] Threads: 3: [mmm] [50.0% done] [ 5692/ 1905 kb/s] [eta 00m:21s] Threads: 3: [mmm] [50.0% done] [ 4022/ 3754 kb/s] [eta 00m:22s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=28365, got signal=6 Threads: 2: [m_m] [51.1% done] [ 4299/ 3852 kb/s] [eta 00m:22s] Threads: 2: [m_m] [54.5% done] [ 5518/ 1722 kb/s] [eta 00m:20s] Threads: 2: [m_m] [58.1% done] [ 3466/ 4766 kb/s] [eta 00m:18s] Threads: 2: [m_V] [59.1% done] [ 3876/ 2019 kb/s] [eta 00m:18s] Threads: 2: [m_V] [60.0% done] [ 12783/ 0 kb/s] [eta 00m:18s] Threads: 2: [m_V] [60.9% done] [ 17314/ 0 kb/s] [eta 00m:18s] Threads: 1: [m__] [61.7% done] [ 12974/ 101 kb/s] [eta 00m:18s] Threads: 1: [m__] [66.7% done] [ 8098/ 0 kb/s] [eta 00m:15s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=28364, got signal=6 fio: (groupid=0): err= 0: pid=28364 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.3%, 2=1.9%, 4=27.2%, 8=70.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.9%, 4=0.3%, 10=0.2%, 20=4.8%, 50=23.6%, 100=18.8% lat (msec): 250=33.4%, 500=14.1%, 750=2.3%, 1000=1.0%, >=2000=0.4% fio: (groupid=0): err= 0: pid=28365 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.2%, 2=1.9%, 4=31.5%, 8=66.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.3%, 4=0.7%, 10=0.6%, 20=3.3%, 50=15.6%, 100=30.1% lat (msec): 250=45.6%, 500=3.2%, 750=0.2%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=28366 read : io=100MiB, bw=3,600KiB/s, runt= 29106msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 3, max= 607, avg=94.06, stdev=69.17 bw (KiB/s) : min= 2, max=16841, per=53.05%, avg=4053.18, stdev=4066.71 write: io=39,088KiB, bw=1,534KiB/s, runt= 26086msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 562, avg=103.81, stdev=99.92 bw (KiB/s) : min= 0, max= 7378, per=50.41%, avg=2552.25, stdev=2046.90 cpu : usr=0.30%, sys=0.43%, ctx=9631 IO depths : 1=0.4%, 2=1.8%, 4=27.4%, 8=70.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.4%, 4=0.6%, 10=1.1%, 20=9.0%, 50=24.3%, 100=23.7% lat (msec): 250=36.6%, 500=3.7%, 750=0.4%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=212MiB, aggrb=7,641KiB/s, minb=0KiB/s, maxb=3,600KiB/s, mint=29106msec, maxt=29106msec WRITE: io=126MiB, aggrb=5,063KiB/s, minb=0KiB/s, maxb=1,534KiB/s, mint=29106msec, maxt=29106msec Disk stats (read/write): sda: ios=4095/2459, merge=547/222, ticks=62212/65188, in_queue=127396, util=99.22% 0.32user 0.38system 0:30.70elapsed 2%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2510minor)pagefaults 0swaps