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] [8.6% done] [ 10288/ 6144 kb/s] [eta 00m:32s] Threads: 3: [mmm] [10.5% done] [ 9344/ 5900 kb/s] [eta 00m:34s] Threads: 3: [mmm] [12.5% done] [ 11412/ 2776 kb/s] [eta 00m:35s] Threads: 3: [mmm] [15.4% done] [ 13940/ 0 kb/s] [eta 00m:33s] Threads: 3: [mmm] [17.9% done] [ 11464/ 2656 kb/s] [eta 00m:32s] Threads: 3: [mmm] [21.6% done] [ 11436/ 1864 kb/s] [eta 00m:29s] Threads: 3: [mmm] [23.1% done] [ 9368/ 4752 kb/s] [eta 00m:30s] Threads: 3: [mmm] [25.6% done] [ 10444/ 2092 kb/s] [eta 00m:29s] Threads: 3: [mmm] [28.2% done] [ 11576/ 1168 kb/s] [eta 00m:28s] Threads: 3: [mmm] [31.6% done] [ 3512/ 9416 kb/s] [eta 00m:26s] Threads: 3: [mmm] [33.3% done] [ 2336/ 9920 kb/s] [eta 00m:26s] Threads: 3: [mmm] [35.9% done] [ 6824/ 5504 kb/s] [eta 00m:25s] Threads: 3: [mmm] [37.5% done] [ 3860/ 7728 kb/s] [eta 00m:25s] Threads: 3: [mmm] [41.0% done] [ 7184/ 3792 kb/s] [eta 00m:23s] Threads: 3: [mmm] [43.6% done] [ 6872/ 3408 kb/s] [eta 00m:22s] Threads: 3: [mmm] [46.2% done] [ 6744/ 1652 kb/s] [eta 00m:21s] Threads: 3: [mmm] [47.5% done] [ 2674/ 6045 kb/s] [eta 00m:21s] Threads: 3: [mmm] [50.0% done] [ 3339/ 5777 kb/s] [eta 00m:20s] Threads: 3: [mmm] [50.0% done] [ 2595/ 5868 kb/s] [eta 00m:21s] Threads: 3: [mmm] [51.2% done] [ 5009/ 2134 kb/s] [eta 00m:21s] Threads: 3: [mmm] [52.3% done] [ 5612/ 220 kb/s] [eta 00m:21s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. Threads: 3: [mVm] [54.5% done] [ 3875/ 2453 kb/s] [eta 00m:20s] fio: pid=22685, got signal=6 Threads: 2: [m_V] [55.6% done] [ 12315/ 0 kb/s] [eta 00m:20s] Threads: 2: [m_V] [56.5% done] [ 16659/ 244 kb/s] [eta 00m:20s] Threads: 1: [m__] [57.1% done] [ 13445/ 0 kb/s] [eta 00m:21s] Threads: 1: [m__] [63.0% done] [ 7987/ 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__] [66.7% done] [ 4671/ 2441 kb/s] [eta 00m:15s] fio: pid=22684, got signal=6 fio: (groupid=0): err= 0: pid=22684 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.4%, 2=3.2%, 4=36.0%, 8=60.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.5%, 4=0.1%, 10=0.6%, 20=4.2%, 50=31.9%, 100=13.9% lat (msec): 250=30.6%, 500=13.9%, 750=2.7%, 1000=1.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=22685 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.2%, 2=1.0%, 4=26.5%, 8=72.2%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.1%, 4=0.2%, 10=0.4%, 20=1.9%, 50=14.9%, 100=27.9% lat (msec): 250=50.8%, 500=3.3%, 750=0.1%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=22686 read : io=100MiB, bw=3,762KiB/s, runt= 27766msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 7, max= 871, avg=94.35, stdev=79.53 bw (KiB/s) : min= 8, max=19423, per=47.69%, avg=4164.58, stdev=4305.10 write: io=39,288KiB, bw=1,621KiB/s, runt= 24813msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 553, avg=93.34, stdev=81.65 bw (KiB/s) : min= 0, max= 7730, per=63.06%, avg=2842.95, stdev=2460.99 cpu : usr=0.19%, sys=0.45%, ctx=7639 IO depths : 1=0.7%, 2=3.6%, 4=36.0%, 8=59.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.2%, 4=0.1%, 10=1.3%, 20=10.6%, 50=24.1%, 100=23.1% lat (msec): 250=36.6%, 500=3.1%, 750=0.3%, 1000=0.2%, >=2000=0.0% Run status group 0 (all jobs): READ: io=231MiB, aggrb=8,733KiB/s, minb=0KiB/s, maxb=3,762KiB/s, mint=27766msec, maxt=27766msec WRITE: io=107MiB, aggrb=4,508KiB/s, minb=0KiB/s, maxb=1,621KiB/s, mint=27766msec, maxt=27766msec Disk stats (read/write): sda: ios=4335/2177, merge=695/163, ticks=67736/47440, in_queue=115176, util=99.09% 0.22user 0.39system 0:30.29elapsed 2%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2487minor)pagefaults 0swaps