fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8 ... fio: (g=0): rw=randrw, bs=4K-256K/4K-256K, ioengine=libaio, iodepth=8 Starting 3 threads Threads: 3 Threads: 3 Threads: 3: [mmm] [13.6% done] [ 19327/ 3730 kb/s] [eta 00m:19s] Threads: 3: [mmm] [18.2% done] [ 11559/ 10697 kb/s] [eta 00m:18s] Threads: 3: [mmm] [22.7% done] [ 8326/ 13821 kb/s] [eta 00m:17s] Threads: 3: [mmm] [27.3% done] [ 13825/ 7756 kb/s] [eta 00m:16s] Threads: 3: [mmm] [31.8% done] [ 16811/ 6666 kb/s] [eta 00m:15s] Threads: 3: [mmm] [36.4% done] [ 15021/ 6182 kb/s] [eta 00m:14s] Threads: 3: [mmm] [40.9% done] [ 9363/ 9522 kb/s] [eta 00m:13s] Threads: 3: [mmm] [45.5% done] [ 8737/ 9745 kb/s] [eta 00m:12s] Threads: 3: [mmm] [50.0% done] [ 11022/ 7699 kb/s] [eta 00m:11s] Threads: 3: [mmm] [54.5% done] [ 11572/ 4897 kb/s] [eta 00m:10s] Threads: 3: [mmm] [56.5% done] [ 6699/ 8924 kb/s] [eta 00m:10s] Threads: 3: [mmm] [60.9% done] [ 3986/ 9062 kb/s] [eta 00m:09s] Threads: 3: [mmm] [62.5% done] [ 6948/ 5684 kb/s] [eta 00m:09s] Threads: 3: [mmm] [64.0% done] [ 4250/ 6247 kb/s] [eta 00m:09s] Threads: 3: [mVV] [68.0% done] [ 16314/ 3608 kb/s] [eta 00m:08s] Threads: 3: [mVV] [66.7% done] [ 31153/ 1077 kb/s] [eta 00m:09s] Threads: 3: [VVV] [73.1% done] [ 34004/ 0 kb/s] [eta 00m:07s] Threads: 1: [V__] [80.0% done] [ 32678/ 0 kb/s] [eta 00m:05s] fio: (groupid=0): err= 0: pid=24416 read : io=100MiB, bw=5,116KiB/s, runt= 20493msec slat (msec): min= 0, max= 2854, avg=805.69, stdev=1096.77 clat (msec): min= 0, max= 492, avg=59.16, stdev=65.32 bw (KiB/s) : min= 3, max=29773, per=38.35%, avg=5887.03, stdev=5588.00 write: io=33,100KiB, bw=1,920KiB/s, runt= 17653msec slat (msec): min= 0, max= 287, avg= 1.68, stdev=11.92 clat (msec): min= 2, max= 256, avg=67.25, stdev=49.13 bw (KiB/s) : min= 0, max= 9774, per=50.69%, avg=3652.00, stdev=3138.36 cpu : usr=8.37%, sys=0.47%, ctx=1083 IO depths : 1=0.9%, 2=5.7%, 4=47.3%, 8=46.1%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.7%, 4=1.4%, 10=10.3%, 20=18.2%, 50=25.1%, 100=24.5% lat (msec): 250=18.5%, 500=1.1%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=24417 read : io=100MiB, bw=5,267KiB/s, runt= 19906msec slat (msec): min= 0, max= 3939, avg=1210.62, stdev=1345.06 clat (msec): min= 0, max= 259, avg=49.76, stdev=59.64 bw (KiB/s) : min= 98, max=13647, per=44.46%, avg=6824.65, stdev=4766.69 write: io=45,008KiB, bw=2,879KiB/s, runt= 16003msec slat (msec): min= 0, max= 175, avg= 1.55, stdev=10.25 clat (msec): min= 3, max= 326, avg=75.26, stdev=57.49 bw (KiB/s) : min= 0, max= 7707, per=53.75%, avg=3872.48, stdev=2279.33 cpu : usr=9.02%, sys=0.62%, ctx=1126 IO depths : 1=1.2%, 2=4.8%, 4=47.5%, 8=46.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=1.0%, 4=2.0%, 10=15.4%, 20=17.8%, 50=20.8%, 100=22.5% lat (msec): 250=19.6%, 500=0.6%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=24418 read : io=100MiB, bw=5,337KiB/s, runt= 19644msec slat (msec): min= 0, max= 3507, avg=921.71, stdev=1158.20 clat (msec): min= 0, max= 299, avg=52.98, stdev=60.18 bw (KiB/s) : min= 34, max=25506, per=41.95%, avg=6439.44, stdev=5728.14 write: io=46,100KiB, bw=2,926KiB/s, runt= 16133msec slat (msec): min= 0, max= 13, avg= 1.02, stdev= 1.86 clat (msec): min= 6, max= 270, avg=75.68, stdev=51.45 bw (KiB/s) : min= 0, max= 8817, per=56.68%, avg=4083.43, stdev=3030.49 cpu : usr=9.12%, sys=0.47%, ctx=1105 IO depths : 1=1.2%, 2=5.7%, 4=48.0%, 8=45.2%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=0.6%, 4=1.0%, 10=13.2%, 20=17.0%, 50=23.6%, 100=24.3% lat (msec): 250=19.2%, 500=0.8%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=15,350KiB/s, minb=5,116KiB/s, maxb=5,337KiB/s, mint=19644msec, maxt=20493msec WRITE: io=121MiB, aggrb=7,204KiB/s, minb=1,920KiB/s, maxb=2,926KiB/s, mint=19644msec, maxt=20493msec Disk stats (read/write): cciss!c0d0: ios=5404/2619, merge=1430/399, ticks=311288/198208, in_queue=509480, util=99.33% 5.36user 0.32system 0:20.71elapsed 27%CPU (0avgtext+0avgdata 0maxresident)k 614400inputs+248448outputs (0major+2368minor)pagefaults 0swaps