fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=mmap, iodepth=1 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=mmap, iodepth=1 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [mmm] [10.3% done] [ 14350/ 7301 kb/s] [eta 00m:26s] Threads: 3: [mmm] [16.0% done] [ 18153/ 11523 kb/s] [eta 00m:21s] Threads: 3: [mmm] [20.0% done] [ 20236/ 4835 kb/s] [eta 00m:20s] Threads: 3: [mmm] [25.0% done] [ 16139/ 9200 kb/s] [eta 00m:18s] Threads: 3: [mmm] [28.0% done] [ 9660/ 13666 kb/s] [eta 00m:18s] Threads: 3: [mmm] [33.3% done] [ 16815/ 6174 kb/s] [eta 00m:16s] Threads: 3: [mmm] [37.5% done] [ 15334/ 9090 kb/s] [eta 00m:15s] Threads: 3: [mmm] [41.7% done] [ 9709/ 7463 kb/s] [eta 00m:14s] Threads: 3: [mmm] [42.3% done] [ 5263/ 9115 kb/s] [eta 00m:15s] Threads: 3: [mmF] [44.4% done] [ 1208/ 4600 kb/s] [eta 00m:15s] Threads: 3: [mmF] [46.4% done] [ 2611/ 3506 kb/s] [eta 00m:15s] Threads: 2: [mm_] [51.9% done] [ 44571/ 8924 kb/s] [eta 00m:13s] Threads: 2: [mm_] [55.6% done] [ 8488/ 671 kb/s] [eta 00m:12s] Threads: 2: [mm_] [55.2% done] [ 6288/ 0 kb/s] [eta 00m:13s] Threads: 2: [mF_] [54.8% done] [ 1232/ 0 kb/s] [eta 00m:14s] Threads: 1: [m__] [56.2% done] [ 32125/ 593 kb/s] [eta 00m:14s] Threads: 1: [m__] [61.3% done] [ 3538/ 3278 kb/s] [eta 00m:12s] Threads: 1: [m__] [64.5% done] [ 3249/ 2782 kb/s] [eta 00m:11s] Threads: 1: [F__] [100.0% done] [ 3717/ 0 kb/s] [eta 00m:00s] Threads: 1: [F__] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 1: [V__] [95.8% done] [ 43994/ 0 kb/s] [eta 00m:01s] fio: (groupid=0): err= 0: pid=5164 read : io=100MiB, bw=4,520KiB/s, runt= 23196msec clat (msec): min= 0, max= 696, avg= 6.36, stdev=33.13 bw (KiB/s) : min= 16, max=96854, per=42.97%, avg=5827.47, stdev=17436.31 write: io=55,536KiB, bw=2,516KiB/s, runt= 22601msec clat (msec): min= 0, max= 231, avg=11.06, stdev=27.90 bw (KiB/s) : min= 0, max=15917, per=70.36%, avg=4030.83, stdev=4153.04 cpu : usr=8.78%, sys=2.12%, ctx=5306 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=78.4%, 4=1.6%, 10=3.6%, 20=7.0%, 50=5.3%, 100=2.6% lat (msec): 250=1.3%, 500=0.2%, 750=0.1%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5165 read : io=100MiB, bw=5,893KiB/s, runt= 17791msec clat (msec): min= 0, max= 464, avg= 5.76, stdev=23.16 bw (KiB/s) : min= 11, max=11919, per=37.60%, avg=5099.31, stdev=4002.25 write: io=29,304KiB, bw=1,720KiB/s, runt= 17437msec clat (msec): min= 0, max= 570, avg=10.49, stdev=38.55 bw (KiB/s) : min= 0, max=11521, per=48.05%, avg=2752.75, stdev=3500.41 cpu : usr=10.52%, sys=2.14%, ctx=4024 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=80.3%, 4=1.4%, 10=2.7%, 20=6.3%, 50=5.4%, 100=2.4% lat (msec): 250=1.1%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=5166 read : io=100MiB, bw=7,606KiB/s, runt= 13785msec clat (msec): min= 0, max= 151, avg= 3.58, stdev=14.01 bw (KiB/s) : min= 16, max=73064, per=65.48%, avg=8880.19, stdev=15406.35 write: io=41,612KiB, bw=3,228KiB/s, runt= 13198msec clat (msec): min= 0, max= 184, avg= 4.45, stdev=15.95 bw (KiB/s) : min= 0, max=13342, per=102.84%, avg=5891.92, stdev=5169.71 cpu : usr=13.70%, sys=3.16%, ctx=3542 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=87.0%, 4=0.9%, 10=1.9%, 20=3.8%, 50=3.7%, 100=2.1% lat (msec): 250=0.5%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=13,561KiB/s, minb=4,520KiB/s, maxb=7,606KiB/s, mint=13785msec, maxt=23196msec WRITE: io=123MiB, aggrb=5,729KiB/s, minb=1,720KiB/s, maxb=3,228KiB/s, mint=13785msec, maxt=23196msec Disk stats (read/write): cciss!c0d0: ios=11585/1741, merge=0/30044, ticks=40872/660116, in_queue=700980, util=93.60% 5.80user 1.33system 0:23.42elapsed 30%CPU (0avgtext+0avgdata 0maxresident)k 92680inputs+252936outputs (0major+109432minor)pagefaults 0swaps