Linked by Thom Holwerda on Sun 27th Feb 2011 20:26 UTC
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RE[4]: Now, THIS is impressive
by Neolander on Sun 27th Feb 2011 22:16
in reply to "RE[3]: Now, THIS is impressive"
You've got a point. Thought about it after writing this comment : OS updates tend to often spread into lots of small files, so they keep a much worse effect than periodically rewriting a small file.
If your numbers about the block size are realistic, this "auto-save" feature needs some tuning before HD movie editing kills an SSD in a year, though.
Oh, well, guess I need a bit of sleep, which I'm going to take now.




Member since:
2005-12-04
In principle this is true, although it's nowhere near this extreme. NTFS needs to write to six places to create a new file - assuming a 256Kb block size, that's 1.5Mb. Note (for fair comparison) that a 100Mb (to download) update will expand into a much larger 300-400Mb set of writes to multiple files. Assuming the average file size being replaced is 2Mb, we'd have (400Mb / 2Mb) * (2Mb + 1.25Mb), or 650Mb of block writes. So the single 100Mb (to download) update is still 433 word saves.