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] [5.9% done] [ 9646/ 7774 kb/s] [eta 00m:48s] Threads: 3: [mmm] [9.3% done] [ 5744/ 11526 kb/s] [eta 00m:39s] Threads: 3: [mmm] [11.4% done] [ 7655/ 6924 kb/s] [eta 00m:39s] Threads: 3: [mmm] [14.3% done] [ 8699/ 6586 kb/s] [eta 00m:36s] Threads: 3: [mmm] [17.1% done] [ 7784/ 5645 kb/s] [eta 00m:34s] Threads: 3: [mmm] [19.5% done] [ 8256/ 4844 kb/s] [eta 00m:33s] Threads: 3: [mmm] [22.0% done] [ 11312/ 1136 kb/s] [eta 00m:32s] Threads: 3: [mmm] [24.4% done] [ 4456/ 8992 kb/s] [eta 00m:31s] Threads: 3: [mmm] [25.0% done] [ 4020/ 9380 kb/s] [eta 00m:33s] Threads: 3: [mmm] [27.3% done] [ 5436/ 7568 kb/s] [eta 00m:32s] Threads: 3: [mmm] [29.5% done] [ 9184/ 2304 kb/s] [eta 00m:31s] Threads: 3: [mmm] [32.6% done] [ 8580/ 3176 kb/s] [eta 00m:29s] Threads: 3: [mmm] [36.6% done] [ 5336/ 5976 kb/s] [eta 00m:26s] Threads: 3: [mmm] [37.2% done] [ 3072/ 7372 kb/s] [eta 00m:27s] Threads: 3: [mmm] [40.5% done] [ 6020/ 4904 kb/s] [eta 00m:25s] Threads: 3: [mmm] [41.9% done] [ 4031/ 5897 kb/s] [eta 00m:25s] Threads: 3: [mmm] [43.2% done] [ 4528/ 3564 kb/s] [eta 00m:25s] Threads: 3: [mmm] [46.5% done] [ 4416/ 4128 kb/s] [eta 00m:23s] Threads: 3: [mmm] [47.7% done] [ 4612/ 3104 kb/s] [eta 00m:23s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. Threads: 3: [mmm] [47.8% done] [ 4320/ 2872 kb/s] [eta 00m:24s] fio: pid=28280, got signal=6 Threads: 2: [m_V] [50.0% done] [ 4716/ 2404 kb/s] [eta 00m:23s] Threads: 2: [m_V] [51.1% done] [ 16120/ 0 kb/s] [eta 00m:23s] Threads: 2: [m_V] [53.2% done] [ 12824/ 2712 kb/s] [eta 00m:22s] Threads: 2: [m_V] [53.1% done] [ 21644/ 388 kb/s] [eta 00m:23s] Threads: 1: [m__] [58.7% done] [ 2918/ 7880 kb/s] [eta 00m:19s] Threads: 1: [m__] [63.6% done] [ 3372/ 4945 kb/s] [eta 00m:16s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=28279, got signal=6 fio: (groupid=0): err= 0: pid=28279 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.7%, 2=3.8%, 4=41.0%, 8=54.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.3%, 4=0.1%, 10=3.5%, 20=6.5%, 50=34.4%, 100=12.9% lat (msec): 250=23.7%, 500=12.5%, 750=3.0%, 1000=0.9%, >=2000=0.6% fio: (groupid=0): err= 0: pid=28280 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.3%, 2=1.7%, 4=33.4%, 8=64.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.3%, 4=0.5%, 10=1.1%, 20=3.9%, 50=18.5%, 100=25.9% lat (msec): 250=46.7%, 500=2.8%, 750=0.2%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=28281 read : io=100MiB, bw=3,909KiB/s, runt= 26710msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 359, avg=84.02, stdev=72.02 bw (KiB/s) : min= 184, max=22372, per=56.70%, avg=4652.41, stdev=5192.54 write: io=51,688KiB, bw=2,264KiB/s, runt= 23368msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 583, avg=97.99, stdev=86.87 bw (KiB/s) : min= 0, max= 8777, per=52.57%, avg=3324.78, stdev=2812.91 cpu : usr=0.30%, sys=0.64%, ctx=6365 IO depths : 1=0.5%, 2=2.7%, 4=39.4%, 8=57.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.4%, 4=0.0%, 10=3.8%, 20=9.9%, 50=28.5%, 100=20.7% lat (msec): 250=31.6%, 500=4.6%, 750=0.3%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=209MiB, aggrb=8,206KiB/s, minb=0KiB/s, maxb=3,909KiB/s, mint=26710msec, maxt=26710msec WRITE: io=141MiB, aggrb=6,325KiB/s, minb=0KiB/s, maxb=2,264KiB/s, mint=26710msec, maxt=26710msec Disk stats (read/write): sda: ios=3803/2828, merge=478/417, ticks=57608/59780, in_queue=117376, util=98.84% 0.26user 0.57system 0:29.68elapsed 2%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2505minor)pagefaults 0swaps