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: [mmF] [50.0% done] [ 6725/ 17440 kb/s] [eta 00m:03s] Threads: 3: [mmF] [50.0% done] [ 4242/ 0 kb/s] [eta 00m:04s] Threads: 3: [mFF] [50.0% done] [ 2015/ 33852 kb/s] [eta 00m:05s] Threads: 3: [mFF] [66.7% done] [ 402/ 26668 kb/s] [eta 00m:03s] Threads: 3: [mFF] [70.0% done] [ 1889/ 0 kb/s] [eta 00m:03s] Threads: 3: [FFF] [100.0% done] [ 1312/ 564 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: [FFF] [100.0% done] [ 0/ 0 kb/s] [eta 00m:00s] Threads: 3: [VVV] [68.4% done] [ 22040/ 0 kb/s] [eta 00m:06s] Threads: 3: [VVV] [82.4% done] [ 66454/ 0 kb/s] [eta 00m:03s] Threads: 3: [VVV] [93.8% done] [ 66564/ 0 kb/s] [eta 00m:01s] Threads: 2: [VV_] [100.0% done] [ 68685/ 0 kb/s] [eta 00m:00s] fio: (groupid=0): err= 0: pid=24414 read : io=100MiB, bw=6,326KiB/s, runt= 16575msec slat (msec): min= 5, max= 9366, avg=6298.42, stdev=3222.47 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=31969, per=48.51%, avg=9154.89, stdev=10710.69 write: io=83,648KiB, bw=6,806KiB/s, runt= 12584msec slat (msec): min= 0, max= 88, avg= 4.79, stdev= 7.15 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=53564, per=84.68%, avg=18393.83, stdev=25082.56 cpu : usr=12.89%, sys=4.80%, ctx=784 IO depths : 1=12.6%, 2=25.0%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0% lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=24415 read : io=100MiB, bw=6,291KiB/s, runt= 16667msec slat (msec): min= 59, max=12204, avg=9535.71, stdev=3534.17 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 24, max=37150, per=71.99%, avg=13585.75, stdev=12582.79 write: io=89,588KiB, bw=7,294KiB/s, runt= 12577msec slat (msec): min= 0, max= 71, avg= 4.21, stdev= 4.33 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=58530, per=155.56%, avg=33789.60, stdev=30922.89 cpu : usr=13.01%, sys=4.58%, ctx=601 IO depths : 1=12.6%, 2=25.0%, 4=50.0%, 8=12.4%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0% lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% fio: (groupid=0): err= 0: pid=24416 read : io=100MiB, bw=6,716KiB/s, runt= 15611msec slat (msec): min= 19, max=13525, avg=10995.65, stdev=3319.34 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 9, max=40790, per=102.89%, avg=19419.00, stdev=15924.45 write: io=93,704KiB, bw=7,676KiB/s, runt= 12500msec slat (msec): min= 0, max= 20, avg= 2.64, stdev= 3.73 clat (msec): min= 0, max= 0, avg= 0.00, stdev= 0.00 bw (KiB/s) : min= 0, max=62154, per=184.60%, avg=40097.00, stdev=34783.06 cpu : usr=10.99%, sys=4.07%, ctx=480 IO depths : 1=12.6%, 2=25.0%, 4=49.9%, 8=12.5%, 16=0.0%, 32=0.0%, >=64=0.0% lat (msec): 2=99.9%, 4=0.0%, 10=0.0%, 20=0.0%, 50=0.0%, 100=0.0% lat (msec): 250=0.0%, 500=0.0%, 750=0.0%, 1000=0.0%, >=2000=0.0% Run status group 0 (all jobs): READ: io=300MiB, aggrb=18,873KiB/s, minb=6,291KiB/s, maxb=6,716KiB/s, mint=15611msec, maxt=16667msec WRITE: io=261MiB, aggrb=21,721KiB/s, minb=6,806KiB/s, maxb=7,676KiB/s, mint=15611msec, maxt=16667msec Disk stats (read/write): cciss!c0d0: ios=3398/3399, merge=20107/63285, ticks=373976/1546540, in_queue=1920516, util=97.32% 6.08user 2.22system 0:16.92elapsed 49%CPU (0avgtext+0avgdata 0maxresident)k 691600inputs+533904outputs (0major+2370minor)pagefaults 0swaps