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] [ 15127/ 45832 kb/s] [eta 00m:07s] Threads: 3: [mmF] [30.8% done] [ 5572/ 0 kb/s] [eta 00m:09s] Threads: 3: [mmF] [33.3% done] [ 4470/ 17596 kb/s] [eta 00m:10s] Threads: 3: [mFF] [35.3% done] [ 3424/ 19853 kb/s] [eta 00m:11s] Threads: 3: [mFF] [58.3% done] [ 1182/ 34234 kb/s] [eta 00m:05s] Threads: 3: [mFF] [66.7% done] [ 691/ 13524 kb/s] [eta 00m:04s] Threads: 3: [FFF] [100.0% done] [ 0/ 1338 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [76.5% done] [ 52475/ 0 kb/s] [eta 00m:04s] Threads: 3: [VVV] [93.3% done] [ 56355/ 0 kb/s] [eta 00m:01s] Threads: 3: [VVV] [100.0% done] [ 62041/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [100.0% done] [ 59194/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=12922 read : io=100MiB, bw=6,364KiB/s, runt= 16475msec slat (msec): min= 0, max= 5, avg= 0.01, stdev= 0.26 clat (msec): min= 0, max= 338, avg=48.40, stdev=78.24 bw (KiB/s) : min= 16, max=27592, per=44.54%, avg=8504.00, stdev=7420.16 write: io=70,232KiB, bw=5,955KiB/s, runt= 12075msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 250, avg= 2.50, stdev=17.24 bw (KiB/s) : min= 0, max=60360, per=94.94%, avg=19683.75, stdev=27760.53 cpu : usr=8.52%, sys=4.81%, ctx=6634 IO depths : 1=2.0%, 2=52.9%, 4=26.6%, 8=18.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=42.8%, 4=11.4%, 10=22.7%, 20=5.4%, 50=1.8%, 100=4.8% lat (msec): 250=9.5%, 500=1.5%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=12923 read : io=100MiB, bw=6,463KiB/s, runt= 16224msec slat (msec): min= 0, max= 12, avg= 0.04, stdev= 0.72 clat (msec): min= 0, max= 327, avg=34.79, stdev=64.18 bw (KiB/s) : min= 20, max=24884, per=53.95%, avg=10301.22, stdev=9117.47 write: io=80,252KiB, bw=6,805KiB/s, runt= 12076msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 206, avg= 2.00, stdev=13.28 bw (KiB/s) : min= 0, max=21692, per=59.39%, avg=12312.75, stdev=9772.11 cpu : usr=10.31%, sys=4.34%, ctx=9285 IO depths : 1=28.2%, 2=32.0%, 4=25.6%, 8=14.2%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=48.0%, 4=13.2%, 10=21.1%, 20=3.8%, 50=1.4%, 100=4.2% lat (msec): 250=7.4%, 500=0.8%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=12924 read : io=100MiB, bw=6,375KiB/s, runt= 16446msec slat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 clat (msec): min= 0, max= 322, avg=22.62, stdev=55.47 bw (KiB/s) : min= 5, max=27231, per=77.46%, avg=14790.36, stdev=9821.28 write: io=94,028KiB, bw=7,973KiB/s, runt= 12075msec slat (msec): min= 0, max= 5, avg= 0.01, stdev= 0.16 clat (msec): min= 0, max= 95, avg= 0.57, stdev= 4.50 bw (KiB/s) : min= 0, max=55210, per=153.52%, avg=31829.25, stdev=27456.70 cpu : usr=12.38%, sys=4.79%, ctx=11548 IO depths : 1=47.6%, 2=24.2%, 4=20.9%, 8=7.3%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=59.0%, 4=12.5%, 10=18.7%, 20=2.7%, 50=0.7%, 100=1.3% lat (msec): 250=4.5%, 500=0.6%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=19,093KiB/s, minb=6,364KiB/s, maxb=6,463KiB/s, mint=16224msec, maxt=16475msec WRITE: io=239MiB, aggrb=20,733KiB/s, minb=5,955KiB/s, maxb=7,973KiB/s, mint=16224msec, maxt=16475msec Disk stats (read/write): cciss!c0d0: ios=6099/2982, merge=1423/58155, ticks=65676/1373980, in_queue=1439860, util=98.26% 5.16user 2.41system 0:16.81elapsed 45%CPU (0avgtext+0avgdata 0maxresident)k 751984inputs+489040outputs (1major+2438minor)pagefaults 0swaps