INTEL SSDPEKKF256G8L SSD - Maximum Reading Speed

Q

What is maximum reading speed of the Seagate INTEL SSDPEKKF256G8L SSD?

✍: FYIcenter.com

A

The best way to find out the maximum reading speed of your Seagate INTEL SSDPEKKF256G8L SSD is to run reading tests with a single large block of different block sizes:

sqlio -LS -kR -i1 -f1 -t1 -s60 -p0 ...

If we run SQLIO with above options and different block sizes, we should be able to find the maximum reading speed:

             Throughput   Throughput   Latency
Block Size      MBs/sec      IOs/sec        ms
----------   ----------   ----------   -------
      -b16       171.23     10958.91         0
      -b64       521.42      8342.98         0
     -b256       686.46      2745.86         0
    -b1024      1213.80      1213.80         0
    -b4096      1426.33       356.58         2
   -b16384      1439.46        89.96        10
   -b65536      1440.00        22.50        43
  -b262144      1459.28         5.70       174

As you can see, the maximum reading speed, 1459.28 MBs/sec is reached with a block size of "-b262144", or 256 MB. 1459.28 MBs/sec is much better regular hard disk. But is still half of the speed of 3210 MBs/s given in the specs by the manufacture.

 

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2019-06-01, 120👍, 0💬