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] [7.5% done] [ 10358/ 71720 kb/s] [eta 00m:37s] Threads: 3: [mmm] [50.0% done] [ 10142/ 75044 kb/s] [eta 00m:04s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=27499, got signal=6 Threads: 2: [_mF] [62.5% done] [ 1152/ 45770 kb/s] [eta 00m:03s] Threads: 2: [_mF] [60.0% done] [ 410/ 0 kb/s] [eta 00m:04s] Threads: 2: [_mF] [63.6% done] [ 518/ 0 kb/s] [eta 00m:04s] Threads: 2: [_mF] [61.5% done] [ 503/ 0 kb/s] [eta 00m:05s] Threads: 2: [_mF] [64.3% done] [ 800/ 0 kb/s] [eta 00m:05s] Threads: 2: [_mF] [62.5% done] [ 1105/ 0 kb/s] [eta 00m:06s] Threads: 2: [_FF] [100.0% done] [ 162/ 7361 kb/s] [eta 00m:00s] Threads: 2: [_FF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [_FF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [_FF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [_FF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [_FF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [_FF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [_FF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 2: [_VV] [67.9% done] [ 14070/ 0 kb/s] [eta 00m:09s] Threads: 2: [_VV] [80.0% done] [ 29696/ 0 kb/s] [eta 00m:05s] Threads: 2: [_VV] [87.5% done] [ 28928/ 0 kb/s] [eta 00m:03s] Threads: 2: [_VV] [88.0% done] [ 29070/ 0 kb/s] [eta 00m:03s] Threads: 2: [_VV] [100.0% done] [ 26485/ 0 kb/s] [eta 00m:00s] Threads: 2: [_VV] [100.0% done] [ 26368/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=27499 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.2%, 2=89.9%, 4=2.7%, 8=7.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=91.1%, 4=0.6%, 10=0.6%, 20=0.1%, 50=0.1%, 100=1.3% lat (msec): 250=3.4%, 500=2.3%, 750=0.5%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=27500 read : io=100MiB, bw=4,204KiB/s, runt= 24874msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 580, avg=71.12, stdev=113.28 bw (KiB/s) : min= 28, max=25591, per=60.55%, avg=5485.57, stdev=6580.95 write: io=86,148KiB, bw=4,676KiB/s, runt= 18863msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 259, avg= 1.88, stdev=15.44 bw (KiB/s) : min= 0, max=41680, per=110.46%, avg=15650.67, stdev=22695.66 cpu : usr=2.89%, sys=1.59%, ctx=8376 IO depths : 1=0.5%, 2=46.4%, 4=29.5%, 8=23.6%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=43.9%, 4=2.4%, 10=10.0%, 20=20.9%, 50=6.4%, 100=2.3% lat (msec): 250=8.6%, 500=4.5%, 750=0.6%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=27501 read : io=100MiB, bw=4,303KiB/s, runt= 24361msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 355, avg=43.69, stdev=61.69 bw (KiB/s) : min= 2, max=26353, per=107.70%, avg=9757.95, stdev=8048.92 write: io=88,028KiB, bw=4,938KiB/s, runt= 18252msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 282, avg= 1.47, stdev=14.86 bw (KiB/s) : min= 0, max=29322, per=105.07%, avg=14885.67, stdev=14666.16 cpu : usr=2.92%, sys=1.51%, ctx=8195 IO depths : 1=0.6%, 2=47.6%, 4=31.9%, 8=19.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=45.9%, 4=2.6%, 10=9.9%, 20=21.7%, 50=6.7%, 100=3.9% lat (msec): 250=8.3%, 500=0.7%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=215MiB, aggrb=9,060KiB/s, minb=0KiB/s, maxb=4,303KiB/s, mint=24361msec, maxt=24874msec WRITE: io=255MiB, aggrb=14,168KiB/s, minb=0KiB/s, maxb=4,938KiB/s, mint=24361msec, maxt=24874msec Disk stats (read/write): sda: ios=2898/3132, merge=1016/61798, ticks=65552/2011500, in_queue=2082348, util=99.38% 2.12user 1.00system 0:25.17elapsed 12%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+2511minor)pagefaults 0swaps