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] [13.6% done] [ 15208/ 6597 kb/s] [eta 00m:19s] Threads: 3: [mmm] [18.2% done] [ 15635/ 4458 kb/s] [eta 00m:18s] Threads: 3: [mmm] [21.7% done] [ 17775/ 1862 kb/s] [eta 00m:18s] Threads: 3: [mmm] [26.1% done] [ 8285/ 10018 kb/s] [eta 00m:17s] Threads: 3: [mmm] [29.2% done] [ 7561/ 8554 kb/s] [eta 00m:17s] Threads: 3: [mmm] [33.3% done] [ 12210/ 5743 kb/s] [eta 00m:16s] Threads: 3: [mmm] [37.5% done] [ 11719/ 5875 kb/s] [eta 00m:15s] Threads: 3: [mmm] [40.0% done] [ 12519/ 4209 kb/s] [eta 00m:15s] Threads: 3: [mmm] [44.0% done] [ 10347/ 4811 kb/s] [eta 00m:14s] Threads: 3: [mmm] [46.2% done] [ 7716/ 6377 kb/s] [eta 00m:14s] Threads: 3: [mmm] [50.0% done] [ 10046/ 4185 kb/s] [eta 00m:13s] Threads: 3: [mmm] [53.8% done] [ 12275/ 1057 kb/s] [eta 00m:12s] Threads: 3: [mmm] [55.6% done] [ 7114/ 4161 kb/s] [eta 00m:12s] Threads: 3: [mmm] [57.1% done] [ 4596/ 6227 kb/s] [eta 00m:12s] Threads: 3: [mmm] [58.6% done] [ 6326/ 3425 kb/s] [eta 00m:12s] Threads: 3: [mmm] [62.1% done] [ 4644/ 3872 kb/s] [eta 00m:11s] Threads: 3: [mmm] [63.3% done] [ 5674/ 2774 kb/s] [eta 00m:11s] Threads: 3: [mmV] [62.5% done] [ 15034/ 150 kb/s] [eta 00m:12s] Threads: 2: [mmE] [63.6% done] [ 16884/ 199 kb/s] [eta 00m:12s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. Threads: 2: [mm_] [64.7% done] [ 4370/ 2610 kb/s] [eta 00m:12s] fio: pid=2726, got signal=6 Threads: 1: [_V_] [79.3% done] [ 16460/ 301 kb/s] [eta 00m:06s] fio: (groupid=0): err= 0: pid=2726 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.1%, 2=0.1%, 4=4.9%, 8=94.9%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.0%, 4=0.0%, 10=0.1%, 20=1.4%, 50=8.0%, 100=41.6% lat (msec): 250=46.6%, 500=1.4%, 750=0.5%, 1000=0.1%, >=2000=0.0% fio: (groupid=0): err= 0: pid=2727 read : io=100MiB, bw=4,314KiB/s, runt= 24219msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 811, avg=68.78, stdev=73.05 bw (KiB/s) : min= 5, max=29754, per=42.87%, avg=4903.62, stdev=6157.73 write: io=37,000KiB, bw=1,666KiB/s, runt= 22731msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 23, max= 474, avg=104.70, stdev=53.93 bw (KiB/s) : min= 0, max= 5889, per=50.03%, avg=2272.65, stdev=1673.34 cpu : usr=0.50%, sys=0.59%, ctx=8428 IO depths : 1=0.1%, 2=1.1%, 4=19.6%, 8=79.2%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.1%, 4=0.9%, 10=9.5%, 20=11.5%, 50=13.9%, 100=30.8% lat (msec): 250=31.3%, 500=1.4%, 750=0.3%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=2728 read : io=100MiB, bw=4,987KiB/s, runt= 20971msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 2, max= 216, avg=74.58, stdev=40.88 bw (KiB/s) : min= 492, max=19834, per=47.09%, avg=5386.13, stdev=4137.08 write: io=27,844KiB, bw=1,478KiB/s, runt= 19279msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 55, max= 179, avg=105.80, stdev=24.33 bw (KiB/s) : min= 0, max= 7027, per=54.39%, avg=2471.12, stdev=2470.51 cpu : usr=0.76%, sys=0.42%, ctx=7137 IO depths : 1=0.1%, 2=0.3%, 4=12.7%, 8=86.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.0%, 4=0.6%, 10=2.4%, 20=5.8%, 50=15.9%, 100=43.8% lat (msec): 250=31.1%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=264MiB, aggrb=11,438KiB/s, minb=0KiB/s, maxb=4,987KiB/s, mint=20971msec, maxt=24219msec WRITE: io=98MiB, aggrb=4,543KiB/s, minb=0KiB/s, maxb=1,666KiB/s, mint=20971msec, maxt=24219msec Disk stats (read/write): cciss!c0d0: ios=5180/2168, merge=793/234, ticks=52928/34696, in_queue=87620, util=98.28% 0.39user 0.38system 0:24.82elapsed 3%CPU (0avgtext+0avgdata 0maxresident)k 541240inputs+201752outputs (0major+2440minor)pagefaults 0swaps