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] [12.5% done] [ 20471/ 0 kb/s] [eta 00m:21s] Threads: 3: [mmm] [17.4% done] [ 24624/ 0 kb/s] [eta 00m:19s] Threads: 3: [mmm] [20.8% done] [ 10132/ 11531 kb/s] [eta 00m:19s] Threads: 3: [mmm] [26.1% done] [ 4100/ 16294 kb/s] [eta 00m:17s] Threads: 3: [mmm] [30.4% done] [ 8253/ 14866 kb/s] [eta 00m:16s] Threads: 3: [mmm] [34.8% done] [ 15757/ 7179 kb/s] [eta 00m:15s] Threads: 3: [mmm] [37.5% done] [ 9981/ 9233 kb/s] [eta 00m:15s] Threads: 3: [mmm] [41.7% done] [ 12426/ 11344 kb/s] [eta 00m:14s] Threads: 3: [mmm] [45.8% done] [ 9005/ 9111 kb/s] [eta 00m:13s] Threads: 3: [mmm] [50.0% done] [ 6719/ 11051 kb/s] [eta 00m:12s] Threads: 3: [mmF] [50.0% done] [ 5306/ 1304 kb/s] [eta 00m:13s] Threads: 3: [mmF] [51.9% done] [ 1065/ 992 kb/s] [eta 00m:13s] Threads: 2: [mm_] [53.6% done] [ 36619/ 2403 kb/s] [eta 00m:13s] Threads: 2: [mm_] [55.2% done] [ 7541/ 239 kb/s] [eta 00m:13s] Threads: 2: [mF_] [56.7% done] [ 6052/ 85 kb/s] [eta 00m:13s] Threads: 2: [mF_] [56.2% done] [ 276/ 4 kb/s] [eta 00m:14s] Threads: 2: [mV_] [57.6% done] [ 20858/ 211 kb/s] [eta 00m:14s] Threads: 1: [m__] [60.6% done] [ 23628/ 5369 kb/s] [eta 00m:13s] Threads: 1: [m__] [65.6% done] [ 3441/ 2820 kb/s] [eta 00m:11s] Threads: 1: [F__] [100.0% done] [ 4047/ 0 kb/s] [eta 00m:00s] Threads: 1: [F__] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=22107 read : io=100MiB, bw=4,421KiB/s, runt= 23713msec clat (msec): min= 0, max= 649, avg= 7.34, stdev=32.63 bw (KiB/s) : min= 7, max= 9506, per=28.48%, avg=3778.43, stdev=3167.73 write: io=39,280KiB, bw=1,727KiB/s, runt= 23287msec clat (msec): min= 0, max= 602, avg=10.48, stdev=37.20 bw (KiB/s) : min= 0, max= 9451, per=66.53%, avg=3271.70, stdev=3027.75 cpu : usr=8.27%, sys=1.69%, ctx=5125 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=1.2%, 10=4.2%, 20=6.3%, 50=5.3%, 100=2.8% lat (msec): 250=1.3%, 500=0.3%, 750=0.1%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=22108 read : io=100MiB, bw=5,437KiB/s, runt= 19284msec clat (msec): min= 0, max= 276, avg= 5.18, stdev=19.96 bw (KiB/s) : min= 2, max= 9356, per=34.43%, avg=4566.92, stdev=3611.68 write: io=42,532KiB, bw=2,314KiB/s, runt= 18820msec clat (msec): min= 0, max= 703, avg=10.49, stdev=38.34 bw (KiB/s) : min= 0, max=10121, per=76.85%, avg=3779.68, stdev=3947.73 cpu : usr=10.54%, sys=1.97%, ctx=4327 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=81.0%, 4=1.2%, 10=2.4%, 20=6.4%, 50=5.3%, 100=2.1% lat (msec): 250=1.4%, 500=0.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=22109 read : io=100MiB, bw=7,170KiB/s, runt= 14623msec clat (msec): min= 0, max= 282, avg= 4.00, stdev=15.97 bw (KiB/s) : min= 2, max=15310, per=52.89%, avg=7016.30, stdev=5076.86 write: io=30,052KiB, bw=2,151KiB/s, runt= 14300msec clat (msec): min= 0, max= 196, avg= 7.36, stdev=20.30 bw (KiB/s) : min= 0, max= 9770, per=77.85%, avg=3828.53, stdev=3575.57 cpu : usr=13.05%, sys=1.91%, ctx=3736 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=83.2%, 4=1.0%, 10=3.1%, 20=4.8%, 50=5.1%, 100=1.9% lat (msec): 250=0.7%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=13,265KiB/s, minb=4,421KiB/s, maxb=7,170KiB/s, mint=14623msec, maxt=23713msec WRITE: io=109MiB, aggrb=4,918KiB/s, minb=1,727KiB/s, maxb=2,314KiB/s, mint=14623msec, maxt=23713msec Disk stats (read/write): cciss!c0d0: ios=12317/1642, merge=0/26456, ticks=44068/625244, in_queue=669300, util=94.49% 5.91user 1.07system 0:23.92elapsed 29%CPU (0avgtext+0avgdata 0maxresident)k 98536inputs+223760outputs (0major+105782minor)pagefaults 0swaps