Hacker News: cieulyyyhttps://news.ycombinator.com/user?id=cieulyyyHacker News RSShttps://hnrss.org/hnrss v2.1.1Wed, 06 May 2026 08:23:25 +0000<![CDATA[New comment by cieulyyy in "Discovering hard disk physical geometry through microbenchmarking (2019)"]]>this takes me back. i used to work on storage performance and understanding the difference between logical and physical geometry was crucial for aligning partitions correctly. modern drives do a lot of remapping internally so the old approaches don't apply the same way anymore.

one thing the article doesn't really touch on is how trim/discard interacts with the physical layout on ssds. would be interesting to see a followup on that.

]]>Mon, 04 May 2026 06:54:06 +0000https://news.ycombinator.com/item?id=48005478cieulyyyhttps://news.ycombinator.com/item?id=48005478https://news.ycombinator.com/item?id=48005478