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] [ 12252/ 3500 kb/s] [eta 00m:32s] Threads: 3: [mmm] [11.8% done] [ 7752/ 9088 kb/s] [eta 00m:30s] Threads: 3: [mmm] [14.3% done] [ 7560/ 8596 kb/s] [eta 00m:30s] Threads: 3: [mmm] [15.4% done] [ 7416/ 7504 kb/s] [eta 00m:33s] Threads: 3: [mmm] [17.9% done] [ 10356/ 2180 kb/s] [eta 00m:32s] Threads: 3: [mmm] [19.0% done] [ 8704/ 4500 kb/s] [eta 00m:34s] Threads: 3: [mmm] [20.9% done] [ 4851/ 7628 kb/s] [eta 00m:34s] Threads: 3: [mmm] [24.4% done] [ 6171/ 7237 kb/s] [eta 00m:31s] Threads: 3: [mmm] [26.2% done] [ 3348/ 8720 kb/s] [eta 00m:31s] Threads: 3: [mmm] [28.6% done] [ 7048/ 5464 kb/s] [eta 00m:30s] Threads: 3: [mmm] [31.0% done] [ 7612/ 3600 kb/s] [eta 00m:29s] Threads: 3: [mmm] [34.1% done] [ 6968/ 4380 kb/s] [eta 00m:27s] Threads: 3: [mmm] [35.7% done] [ 7052/ 4328 kb/s] [eta 00m:27s] Threads: 3: [mmm] [38.1% done] [ 6744/ 2964 kb/s] [eta 00m:26s] Threads: 3: [mmm] [40.5% done] [ 7944/ 2640 kb/s] [eta 00m:25s] Threads: 3: [mmm] [41.9% done] [ 2196/ 7408 kb/s] [eta 00m:25s] Threads: 3: [mmm] [44.2% done] [ 5636/ 2788 kb/s] [eta 00m:24s] Threads: 3: [mmm] [45.5% done] [ 7280/ 2064 kb/s] [eta 00m:24s] Threads: 3: [mmm] [47.7% done] [ 3232/ 3644 kb/s] [eta 00m:23s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=30566, got signal=6 Threads: 2: [m_m] [50.0% done] [ 6248/ 2264 kb/s] [eta 00m:22s] Threads: 2: [m_m] [53.5% done] [ 2576/ 6616 kb/s] [eta 00m:20s] Threads: 2: [m_m] [58.5% done] [ 1872/ 6112 kb/s] [eta 00m:17s] Threads: 2: [m_V] [58.1% done] [ 5516/ 3020 kb/s] [eta 00m:18s] Threads: 2: [m_V] [59.1% done] [ 15916/ 136 kb/s] [eta 00m:18s] Threads: 1: [m_E] [60.0% done] [ 14260/ 176 kb/s] [eta 00m:18s] Threads: 1: [m__] [65.1% done] [ 3747/ 4860 kb/s] [eta 00m:15s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=30565, got signal=6 fio: (groupid=0): err= 0: pid=30565 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.7%, 2=4.2%, 4=37.9%, 8=57.2%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.4%, 4=0.0%, 10=3.2%, 20=5.8%, 50=26.8%, 100=15.8% lat (msec): 250=28.9%, 500=14.3%, 750=2.7%, 1000=0.7%, >=2000=0.1% fio: (groupid=0): err= 0: pid=30566 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.7%, 2=3.7%, 4=41.8%, 8=53.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.7%, 4=0.2%, 10=1.0%, 20=2.4%, 50=17.7%, 100=32.2% lat (msec): 250=42.2%, 500=3.2%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=30567 read : io=100MiB, bw=3,796KiB/s, runt= 27609msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 1, max= 775, avg=100.94, stdev=77.08 bw (KiB/s) : min= 76, max=16237, per=53.55%, avg=3988.96, stdev=3800.38 write: io=34,072KiB, bw=1,390KiB/s, runt= 25088msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 549, avg=98.48, stdev=91.05 bw (KiB/s) : min= 0, max= 6412, per=41.85%, avg=2394.00, stdev=2170.43 cpu : usr=0.16%, sys=0.51%, ctx=5644 IO depths : 1=0.7%, 2=2.7%, 4=34.6%, 8=62.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.6%, 4=0.0%, 10=3.4%, 20=5.4%, 50=24.0%, 100=20.3% lat (msec): 250=42.4%, 500=2.8%, 750=0.6%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=196MiB, aggrb=7,449KiB/s, minb=0KiB/s, maxb=3,796KiB/s, mint=27609msec, maxt=27609msec WRITE: io=137MiB, aggrb=5,721KiB/s, minb=0KiB/s, maxb=1,390KiB/s, mint=27609msec, maxt=27609msec Disk stats (read/write): sda: ios=3546/2808, merge=604/318, ticks=58440/65436, in_queue=123876, util=99.23% 0.23user 0.49system 0:29.62elapsed 2%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2489minor)pagefaults 0swaps