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] [21.4% done] [ 3584/ 0 kb/s] [eta 00m:11s] Threads: 3: [mmm] [23.5% done] [ 4164/ 980 kb/s] [eta 00m:13s] Threads: 3: [mmm] [23.8% done] [ 3516/ 16952 kb/s] [eta 00m:16s] Threads: 3: [mmm] [46.2% done] [ 3672/ 67524 kb/s] [eta 00m:07s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=4110, got signal=6 Threads: 2: [m_F] [50.0% done] [ 576/ 46700 kb/s] [eta 00m:07s] Threads: 2: [m_F] [50.0% done] [ 32/ 0 kb/s] [eta 00m:08s] Threads: 2: [m_F] [50.0% done] [ 4/ 0 kb/s] [eta 00m:09s] Threads: 2: [F_F] [100.0% done] [ 372/ 28272 kb/s] [eta 00m:00s] Threads: 2: [F_F] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [F_F] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [F_F] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [F_F] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [F_F] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [F_F] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [F_F] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [F_F] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [F_F] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_V] [69.0% done] [ 5400/ 0 kb/s] [eta 00m:09s] Threads: 2: [V_V] [77.8% done] [ 31828/ 0 kb/s] [eta 00m:06s] Threads: 2: [V_V] [84.6% done] [ 30864/ 0 kb/s] [eta 00m:04s] Threads: 2: [V_V] [100.0% done] [ 39140/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_V] [100.0% done] [ 37976/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_V] [100.0% done] [ 32148/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=4109 read : io=100MiB, bw=4,023KiB/s, runt= 26054msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 3520, avg=62.33, stdev=224.76 bw (KiB/s) : min= 8, max=25510, per=82.16%, avg=6889.48, stdev=8589.44 write: io=94,696KiB, bw=4,891KiB/s, runt= 19824msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 2300, avg= 4.97, stdev=74.77 bw (KiB/s) : min= 0, max=16478, per=47.84%, avg=7024.75, stdev=7129.40 cpu : usr=3.55%, sys=1.81%, ctx=9102 IO depths : 1=7.1%, 2=49.9%, 4=29.9%, 8=13.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=47.3%, 4=1.0%, 10=24.2%, 20=14.4%, 50=2.9%, 100=0.4% lat (msec): 250=6.0%, 500=2.1%, 750=0.9%, 1000=0.1%, >=2000=0.1% fio: (groupid=0): err= 0: pid=4110 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=8.0%, 2=80.1%, 4=6.0%, 8=5.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=86.8%, 4=0.4%, 10=2.5%, 20=4.2%, 50=0.2%, 100=0.1% lat (msec): 250=0.6%, 500=2.3%, 750=2.4%, 1000=0.2%, >=2000=0.0% fio: (groupid=0): err= 0: pid=4111 read : io=100MiB, bw=4,063KiB/s, runt= 25802msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 727, avg=52.64, stdev=110.66 bw (KiB/s) : min= 1, max=21487, per=94.03%, avg=7884.64, stdev=8799.67 write: io=95,816KiB, bw=4,951KiB/s, runt= 19816msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 353, avg= 1.14, stdev=15.91 bw (KiB/s) : min= 0, max= 9925, per=33.80%, avg=4962.50, stdev=7018.03 cpu : usr=2.91%, sys=1.38%, ctx=8448 IO depths : 1=1.4%, 2=55.1%, 4=29.6%, 8=13.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=49.0%, 4=0.5%, 10=20.2%, 20=15.9%, 50=3.5%, 100=1.4% lat (msec): 250=6.2%, 500=2.3%, 750=0.8%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=208MiB, aggrb=8,385KiB/s, minb=0KiB/s, maxb=4,063KiB/s, mint=25802msec, maxt=26054msec WRITE: io=278MiB, aggrb=14,684KiB/s, minb=0KiB/s, maxb=4,951KiB/s, mint=25802msec, maxt=26054msec Disk stats (read/write): sda: ios=2319/4037, merge=975/66968, ticks=58080/2622932, in_queue=2681128, util=97.49% 2.60user 1.10system 0:26.35elapsed 14%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2497minor)pagefaults 0swaps