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: [mmF] [5.0% done] [ 4268/ 0 kb/s] [eta 00m:57s] Threads: 3: [mmF] [6.7% done] [ 2418/ 1253 kb/s] [eta 00m:56s] Threads: 3: [mmF] [8.3% done] [ 2804/ 564 kb/s] [eta 00m:55s] Threads: 3: [mmF] [10.0% done] [ 2300/ 10568 kb/s] [eta 00m:54s] Threads: 3: [mmF] [11.7% done] [ 1741/ 45784 kb/s] [eta 00m:53s] Threads: 3: [mmF] [13.3% done] [ 2320/ 0 kb/s] [eta 00m:52s] Threads: 3: [mmF] [15.0% done] [ 2512/ 5124 kb/s] [eta 00m:51s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=5143, got signal=6 Threads: 2: [m_F] [16.7% done] [ 2144/ 17504 kb/s] [eta 00m:50s] Threads: 2: [m_F] [61.1% done] [ 588/ 68404 kb/s] [eta 00m:07s] Threads: 2: [m_F] [60.0% done] [ 948/ 0 kb/s] [eta 00m:08s] Threads: 2: [m_F] [61.9% done] [ 1828/ 0 kb/s] [eta 00m:08s] Threads: 2: [m_F] [63.6% done] [ 1068/ 0 kb/s] [eta 00m:08s] Threads: 2: [m_F] [65.2% done] [ 3268/ 0 kb/s] [eta 00m:08s] Threads: 2: [m_F] [66.7% done] [ 4708/ 0 kb/s] [eta 00m:08s] Threads: 2: [F_F] [100.0% done] [ 240/ 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_V] [67.7% done] [ 0/ 0 kb/s] [eta 00m:10s] Threads: 2: [V_V] [71.0% done] [ 13108/ 0 kb/s] [eta 00m:09s] Threads: 2: [V_V] [82.1% done] [ 33048/ 0 kb/s] [eta 00m:05s] Threads: 2: [V_V] [92.3% done] [ 27300/ 0 kb/s] [eta 00m:02s] Threads: 2: [V_V] [100.0% done] [ 34004/ 0 kb/s] [eta 00m:00s] Threads: 2: [V_V] [100.0% done] [ 33845/ 0 kb/s] [eta 00m:00s] Threads: 1: [__V] [100.0% done] [ 29304/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=5142 read : io=100MiB, bw=3,843KiB/s, runt= 27225msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 926, avg=96.00, stdev=163.01 bw (KiB/s) : min= 0, max=16676, per=57.88%, avg=4620.32, stdev=5368.48 write: io=71,272KiB, bw=3,387KiB/s, runt= 21544msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 678, avg=11.73, stdev=70.93 bw (KiB/s) : min= 0, max=139821, per=188.30%, avg=23624.33, stdev=56925.17 cpu : usr=1.94%, sys=1.31%, ctx=5826 IO depths : 1=0.5%, 2=41.3%, 4=33.5%, 8=24.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=38.6%, 4=0.0%, 10=7.7%, 20=13.0%, 50=18.6%, 100=3.7% lat (msec): 250=10.7%, 500=4.1%, 750=2.3%, 1000=0.9%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5143 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.5%, 2=88.2%, 4=3.4%, 8=7.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=88.6%, 4=0.4%, 10=1.0%, 20=0.1%, 50=0.2%, 100=0.6% lat (msec): 250=1.9%, 500=3.6%, 750=1.9%, 1000=1.2%, >=2000=0.2% fio: (groupid=0): err= 0: pid=5144 read : io=100MiB, bw=3,774KiB/s, runt= 27783msec clat (msec): min= 0, max= 501, avg=29.16, stdev=56.54 bw (KiB/s) : min= 1, max=23625, per=185.20%, avg=14784.67, stdev=8242.43 write: io=100MiB, bw=4,869KiB/s, runt= 21532msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 16, avg= 0.26, stdev= 0.88 bw (KiB/s) : min= 0, max=127860, per=509.56%, avg=63930.00, stdev=90410.67 cpu : usr=2.95%, sys=1.17%, ctx=5826 IO depths : 1=1.3%, 2=57.1%, 4=31.4%, 8=10.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=51.2%, 4=0.9%, 10=18.9%, 20=16.8%, 50=5.4%, 100=0.7% lat (msec): 250=5.4%, 500=0.5%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=212MiB, aggrb=7,983KiB/s, minb=0KiB/s, maxb=3,843KiB/s, mint=27783msec, maxt=27783msec WRITE: io=258MiB, aggrb=12,546KiB/s, minb=0KiB/s, maxb=4,869KiB/s, mint=27783msec, maxt=27783msec Disk stats (read/write): sda: ios=2809/3220, merge=1074/62521, ticks=72392/2800868, in_queue=2881620, util=98.87% 2.04user 0.94system 0:28.14elapsed 10%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2498minor)pagefaults 0swaps