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] [30.0% done] [ 5924/ 54312 kb/s] [eta 00m:07s] Threads: 3: [mmF] [30.8% done] [ 186/ 0 kb/s] [eta 00m:09s] Threads: 3: [mmF] [29.4% done] [ 251/ 0 kb/s] [eta 00m:12s] Threads: 3: [mmF] [30.0% done] [ 174/ 0 kb/s] [eta 00m:14s] Threads: 3: [mmF] [30.4% done] [ 755/ 16 kb/s] [eta 00m:16s] Threads: 3: [mmF] [30.8% done] [ 308/ 190 kb/s] [eta 00m:18s] Threads: 3: [mmF] [30.0% done] [ 534/ 311 kb/s] [eta 00m:21s] Threads: 3: [mmV] [31.2% done] [ 6488/ 238 kb/s] [eta 00m:22s] Threads: 3: [mmV] [31.4% done] [ 27022/ 28021 kb/s] [eta 00m:24s] Threads: 3: [mmV] [32.4% done] [ 22869/ 642 kb/s] [eta 00m:25s] Threads: 3: [mFV] [32.5% done] [ 13145/ 25774 kb/s] [eta 00m:27s] Threads: 3: [mFV] [32.6% done] [ 304/ 0 kb/s] [eta 00m:29s] Threads: 3: [mFV] [32.6% done] [ 5205/ 0 kb/s] [eta 00m:31s] Threads: 3: [mVV] [33.3% done] [ 26376/ 369 kb/s] [eta 00m:32s] Threads: 2: [mV_] [45.9% done] [ 29431/ 18513 kb/s] [eta 00m:20s] Threads: 2: [mV_] [46.2% done] [ 28261/ 0 kb/s] [eta 00m:21s] Threads: 2: [mV_] [46.3% done] [ 25430/ 0 kb/s] [eta 00m:22s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=5519, got signal=6 fio: (groupid=0): err= 0: pid=5519 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.3%, 2=84.3%, 4=4.4%, 8=11.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=85.5%, 4=0.4%, 10=0.1%, 20=0.2%, 50=0.3%, 100=2.8% lat (msec): 250=1.8%, 500=3.0%, 750=2.1%, 1000=1.0%, >=2000=1.2% fio: (groupid=0): err= 0: pid=5520 read : io=100MiB, bw=5,375KiB/s, runt= 19501msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 5791, avg=66.51, stdev=356.64 bw (KiB/s) : min= 3, max=28783, per=63.32%, avg=7350.58, stdev=10079.45 write: io=88,568KiB, bw=5,932KiB/s, runt= 15288msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 4038, avg= 8.93, stdev=121.37 bw (KiB/s) : min= 0, max=18475, per=32.70%, avg=5858.00, stdev=8706.97 cpu : usr=3.79%, sys=2.32%, ctx=6923 IO depths : 1=1.0%, 2=50.0%, 4=31.8%, 8=17.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=45.7%, 4=2.7%, 10=11.5%, 20=22.0%, 50=9.9%, 100=1.7% lat (msec): 250=3.6%, 500=1.2%, 750=0.5%, 1000=0.3%, >=2000=0.1% fio: (groupid=0): err= 0: pid=5521 read : io=100MiB, bw=6,224KiB/s, runt= 16846msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 1295, avg=42.98, stdev=112.82 bw (KiB/s) : min= 25, max=30851, per=98.08%, avg=11385.41, stdev=10321.48 write: io=92,852KiB, bw=10,042KiB/s, runt= 9468msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 211, avg= 1.30, stdev=13.13 bw (KiB/s) : min= 0, max=38620, per=107.79%, avg=19310.00, stdev=27308.46 cpu : usr=4.61%, sys=2.94%, ctx=6202 IO depths : 1=0.6%, 2=51.5%, 4=30.9%, 8=17.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=48.5%, 4=1.1%, 10=10.5%, 20=20.4%, 50=11.1%, 100=2.6% lat (msec): 250=4.7%, 500=0.5%, 750=0.0%, 1000=0.3%, >=2000=0.3% Run status group 0 (all jobs): READ: io=216MiB, aggrb=11,608KiB/s, minb=0KiB/s, maxb=6,224KiB/s, mint=16846msec, maxt=19501msec WRITE: io=261MiB, aggrb=17,915KiB/s, minb=0KiB/s, maxb=10,042KiB/s, mint=16846msec, maxt=19501msec Disk stats (read/write): sda: ios=2697/1536, merge=870/52839, ticks=66456/1177824, in_queue=1244284, util=97.61% 2.17user 1.26system 0:20.13elapsed 17%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2469minor)pagefaults 0swaps