I have two of these in raid 0 in a Lenovo P70. fahad@heffalump:~/fiotest$ sudo fio --filename=$PWD/testfile --direct=1 --sync=1 --rw=read --bs=4k --numjobs=

I have two of these in raid 0 in a Lenovo P70. fahad@heffalump:~/fiotest$ sudo fio --filename=$PWD/testfile --direct=1 --sync=1 --rw=read --bs=4k --numjobs=8 --iodepth=32 --runtime=60 --time_based --group_reporting --size=1G --name=journal-test journal-test: (g=0): rw=read, bs=4K-4K/4K-4K/4K-4K, ioengine=sync, iodepth=32 ... fio-2.2.10 Starting 8 processes journal-test: Laying out IO file(s) (1 file(s) / 1024MB) Jobs: 8 (f=8): [R(8)] [100.0% done] [367.8MB/0KB/0KB /s] [94.2K/0/0 iops] [eta 00m:00s] journal-test: (groupid=0, jobs=8): err= 0: pid=25184: Wed Jun 1 17:32:44 2016 read : io=22265MB, bw=379986KB/s, iops=94996, runt= 60001msec clat (usec): min=15, max=19595, avg=83.59, stdev=102.01 lat (usec): min=15, max=19595, avg=83.65, stdev=102.02 clat percentiles (usec): | 1.00th=[ 20], 5.00th=[ 65], 10.00th=[ 66], 20.00th=[ 68], | 30.00th=[ 75], 40.00th=[ 79], 50.00th=[ 80], 60.00th=[ 82], | 70.00th=[ 84], 80.00th=[ 90], 90.00th=[ 97], 95.00th=[ 108], | 99.00th=[ 141], 99.50th=[ 173], 99.90th=[ 900], 99.95th=[ 1704], | 99.99th=[ 4768] bw (KB /s): min=43704, max=53976, per=12.51%, avg=47524.23, stdev=1225.35 lat (usec) : 20=0.74%, 50=1.42%, 100=89.28%, 250=8.32%, 500=0.09% lat (usec) : 750=0.03%, 1000=0.03% lat (msec) : 2=0.06%, 4=0.02%, 10=0.01%, 20=0.01% cpu : usr=1.38%, sys=7.92%, ctx=5737418, majf=0, minf=89 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued : total=r=5699889/w=0/d=0, short=r=0/w=0/d=0, drop=r=0/w=0/d=0 latency : target=0, window=0, percentile=100.00%, depth=32 Run status group 0 (all jobs): READ: io=22265MB, aggrb=379986KB/s, minb=379986KB/s, maxb=379986KB/s, mint=60001msec, maxt=60001msec