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] [10.7% done] [ 15590/ 3799 kb/s] [eta 00m:25s] Threads: 3: [mmm] [14.8% done] [ 17087/ 3148 kb/s] [eta 00m:23s] Threads: 3: [mmm] [18.5% done] [ 7406/ 9749 kb/s] [eta 00m:22s] Threads: 3: [mmm] [23.1% done] [ 14187/ 3770 kb/s] [eta 00m:20s] Threads: 3: [mmm] [26.9% done] [ 14195/ 3872 kb/s] [eta 00m:19s] Threads: 3: [mmm] [29.6% done] [ 11584/ 4868 kb/s] [eta 00m:19s] Threads: 3: [mmm] [33.3% done] [ 16908/ 618 kb/s] [eta 00m:18s] Threads: 3: [mmm] [37.0% done] [ 8379/ 6064 kb/s] [eta 00m:17s] Threads: 3: [mmm] [40.7% done] [ 8407/ 5446 kb/s] [eta 00m:16s] Threads: 3: [mmm] [44.4% done] [ 10160/ 4116 kb/s] [eta 00m:15s] Threads: 3: [mmm] [46.4% done] [ 5731/ 7585 kb/s] [eta 00m:15s] Threads: 3: [mmm] [50.0% done] [ 8277/ 3856 kb/s] [eta 00m:14s] Threads: 3: [mmm] [53.6% done] [ 13439/ 0 kb/s] [eta 00m:13s] Threads: 3: [mmm] [55.2% done] [ 11588/ 679 kb/s] [eta 00m:13s] Threads: 3: [mmm] [58.6% done] [ 3298/ 7370 kb/s] [eta 00m:12s] Threads: 3: [mmm] [60.0% done] [ 6626/ 2603 kb/s] [eta 00m:12s] Threads: 3: [mmm] [61.3% done] [ 6605/ 2769 kb/s] [eta 00m:12s] Threads: 3: [mmm] [62.5% done] [ 6337/ 1696 kb/s] [eta 00m:12s] Threads: 3: [mVm] [63.6% done] [ 12068/ 284 kb/s] [eta 00m:12s] Threads: 3: [mVm] [64.7% done] [ 15574/ 170 kb/s] [eta 00m:12s] fio: ioengines.c:195: td_io_queue: Assertion `(io_u->flags & IO_U_F_FLIGHT) == 0' failed. fio: pid=18078, got signal=6 Threads: 1: [__m] [65.7% done] [ 7773/ 1643 kb/s] [eta 00m:12s] Threads: 1: [__V] [75.0% done] [ 11763/ 1830 kb/s] [eta 00m:08s] fio: (groupid=0): err= 0: pid=18078 cpu : usr=0.00%, sys=0.00%, ctx=0 IO depths : 1=0.2%, 2=0.3%, 4=4.2%, 8=95.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.2%, 4=0.2%, 10=0.1%, 20=2.3%, 50=4.3%, 100=39.0% lat (msec): 250=50.3%, 500=3.4%, 750=0.1%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=18079 read : io=100MiB, bw=4,570KiB/s, runt= 22874msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 214, avg=72.05, stdev=39.80 bw (KiB/s) : min= 4, max=15454, per=49.25%, avg=5622.88, stdev=3989.81 write: io=27,080KiB, bw=1,348KiB/s, runt= 20566msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 55, max= 381, avg=129.33, stdev=48.16 bw (KiB/s) : min= 0, max= 6164, per=64.83%, avg=2343.11, stdev=1831.55 cpu : usr=0.26%, sys=0.42%, ctx=7767 IO depths : 1=0.1%, 2=1.0%, 4=12.0%, 8=86.8%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.2%, 4=0.3%, 10=3.0%, 20=5.3%, 50=16.2%, 100=36.2% lat (msec): 250=37.5%, 500=0.9%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=18080 read : io=100MiB, bw=4,149KiB/s, runt= 25169msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 3, max= 867, avg=80.41, stdev=76.98 bw (KiB/s) : min= 233, max=25414, per=42.92%, avg=4900.09, stdev=5006.96 write: io=30,704KiB, bw=1,327KiB/s, runt= 23677msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 23, max= 979, avg=143.00, stdev=114.36 bw (KiB/s) : min= 0, max= 6360, per=53.58%, avg=1936.40, stdev=2009.20 cpu : usr=0.17%, sys=0.37%, ctx=8241 IO depths : 1=0.1%, 2=0.6%, 4=15.6%, 8=83.7%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.0%, 4=0.2%, 10=3.9%, 20=8.8%, 50=17.5%, 100=32.1% lat (msec): 250=34.0%, 500=2.1%, 750=0.5%, 1000=0.5%, >=2000=0.0% Run status group 0 (all jobs): READ: io=274MiB, aggrb=11,418KiB/s, minb=0KiB/s, maxb=4,570KiB/s, mint=22874msec, maxt=25169msec WRITE: io=83,572KiB, aggrb=3,614KiB/s, minb=0KiB/s, maxb=1,348KiB/s, mint=22874msec, maxt=25169msec Disk stats (read/write): cciss!c0d0: ios=5309/1598, merge=874/303, ticks=56520/29616, in_queue=86136, util=99.24% 0.25user 0.42system 0:25.54elapsed 2%CPU (0avgtext+0avgdata 0maxresident)k 561872inputs+167176outputs (0major+2439minor)pagefaults 0swaps