HP IO Accelerator for BladeSystem c-Class Performance Tuning Manual do Utilizador descarregar pdf (Página 8)

System performance 8

READ: io=4,058MiB, aggrb= 414MiB/s, minb=414MiB/s, maxb=414MiB/s,

mint=10036msec, maxt=10036msec

Disk stats (read/write):

fioa: ios=1038929/0, merge=0/0, ticks=389591/0, in_queue=61732674,

util=99.12%

The output below shows the test achieving 779 MiB/sec, with random reads done on 1MB blocks.

Read bandwidth test on Linux:

file1: (g=0): rw=randread, bs=1M-1M/1M-1M, ioengine=sync, iodepth=1

...

file1: (g=0): rw=randread, bs=1M-1M/1M-1M, ioengine=sync, iodepth=1

Starting 4 processes

Jobs: 4 (f=4): [rrrr] [100.0% done] [811597/ 0 kb/s] [eta 00m:00s]

file1: (groupid=0, jobs=4): err= 0: pid=28781

read : io=7, 614MiB, bw=779MiB/s, iops=____760____, runt= 1007msec

clat (usec) : min=1,788, max=39,174, avg=5253.24, stdev=920.87

bw (KiB/s) : min=157286, max=221412, per=25.16%, avg=200720.59,

stdev=5042.40

cpu : usr=0.03%, sys=2.79%, ctx=7880, majf=0, minf=1072

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 r/w: total=7614/0, short=0/0

lat (msec): 2=0.39%, 4=15.34%, 10=83.18%, 20=0.99%, 50=0.11%

Run status group 0 (all jobs):

READ: io=7,614MiB, aggrb= 779MiB/s, minb=779MiB/s, maxb=779MiB/s,

mint=1007msec, maxt=1007msec

Disk stats (read/write):

fioa: ios=60912/0, merge=0/0, ticks=218927/0, in_queue=1667617,

util=98.84%

The test below achieved 106,000 IOPS, with random writes and a 4K block size.

Write IOPS test on Linux:

file1: (g=0): rw=randwrite, bs=4K-4K/4K-4K, ioengine=sync, iodepth=1

...

file1: (g=0): rw=randwrite, bs=4K-4K/4K-4K, ioengine=sync, iodepth=1

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 32 33

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HP IO Accelerator for BladeSystem c-Class Performance Tuning Manual do Utilizador Página 8