compression

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Back in Part II, I did some time tests to see the differences between reading and writing compressed and uncompressed files. One factor that I did not account for was the fact that the number of files in the test could affect the results.

Here's what led me down this road, from Part II:

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A little while ago I did some testing on NTFS compression with HD Tune and Sisoft Sandra. The results seemed to favor using NTFS compression, but didn't really answer the question of which file types would benefit, and which would not. The tests gave a slight edge to the compressed drive for reading, but I didn't feel like one benchmark test was really conclusive enough, and benchmarks are not an indicator of real-world performance. So I decided to run a test of my own making using some real files, and see if I could get some better numbers.

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Every so often the debate arises (in tech circles) about whether or not one should use the compression feature that's built-in to Windows NTFS. One the one hand it will save you some disk space, but on the other hand it will slow down your system... or will it? (and are those the only two options?)