Performance RW File Copy tests

Performance RW File Copy tests

In this round of benchmarks we start off with two new additions in our test suite, real-world file copy tests. Currently certain controllers benefit from compressed files, while others don't. Certain storage units hate small files, others work well with it. So it only makes sense to do some manual tests on that.

File copy write test  - Slightly larger compressed files.

For the second real world file-copy test we take compressed data, like small JPG and MP3 files. We have them in random sizes from less than one KB up-to slightly larger 2MB files to emulate MP3 copying better (which most of you can relate to a notch better).

So we know that once we pass 16/32KB sizes, storage units speed up exponentially. Hence we increased the workload here towards 3 GB with 4272 compressed files in total, with a maximum files-size of 2MB. So to make you understand perfectly what we are doing here is that we drop just over 4000 MP3/JPG files onto the the drive, copied from a RAMDISK and measure the amount in seconds it takes for the storage unit to deal with it.

Again, the files are being copied from the RAMDISK in the amount of seconds you see above towards the tested storage unit. As you can see, the perf is 'OK', nothing breathtaking. This remains random data for the cache hence you'll see HDD performance here and not so much optimized cache performance. This is normal and expected.