Top all-time · #5932
Rob Norris
Personal blog · despairlabs.com/blogsystemsprogramming
Rob Norris writes despair labs, a personal blog at despairlabs.com about systems and programming. Since 2021, 13 different Hacker News readers have linked it 18 times, most often “OpenZFS deduplication is good now and you shouldn't use it”. It is still writing: the last post was on 2026-09-02, and you can follow it by feed.
Too few sampled comments (1) to say how often HN recommends it.?
Why HN links it
The linked post covers OpenZFS deduplication, which the thread title says is now good but should still not be used. The only comment is about how a code element renders on narrow screens, not the writing.
Summarised by Claude from a sample of 1 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
Hello! Here at despair labs we do the computer things that no one else can, or will, or should. Your host and main computer guy is me, Rob Norris. Computers on your mind? Say hello! Please enjoy a fine computer thing, with our compliments.
Most-linked posts?
- OpenZFS deduplication is good now and you shouldn't use it3 people · 3 mentions · first linked 2024-10-27
- Io_uring is not an event system (2021)2 people · 2 mentions · first linked 2025-09-30
- An almost catastrophic OpenZFS bug and the humans that made it2 people · 2 mentions · first linked 2025-07-10
- A few nice things in OpenZFS 2.32 people · 2 mentions · first linked 2024-10-06
What Hacker News says?
It's because of this element in one of the final sections [1]: <code>kstat.zfs.<pool>.misc.ddt_stats_<checksum></code> Typesetting code on a narrow screen is tricky! [1] https://despairlabs.com/blog/posts/2024-10-27-openzfs-dedup-...
Comment linking /blog/posts/2024-10-27-openzfs-dedup-is-good-dont-use-it/
on “OpenZFS deduplication is good now and you shouldn't use it”Submitted OpenZFS deduplication is good now and you shouldn't use it as a story · 454 points
HN discussion- ot · 2021-06-17
Submitted Io_uring is not an event system as a story · 281 points
HN discussion Submitted A data corruption bug in OpenZFS? as a story · 220 points
HN discussionSubmitted An almost catastrophic OpenZFS bug and the humans that made it as a story · 53 points
HN discussionSubmitted Io_uring is not an event system (2021) as a story · 49 points
HN discussionSubmitted The Rust I used to know (2022) as a story · 42 points
HN discussionSubmitted Fsync() after open() is an elaborate no-op as a story · 8 points
HN discussionSubmitted OpenZFS deduplication is good now and you shouldn't use it as a story · 8 points
HN discussionSubmitted An almost catastrophic OpenZFS bug and the humans that made it as a story · 7 points
HN discussionSubmitted A few nice things in OpenZFS 2.3 as a story · 7 points
HN discussionSubmitted Stop obsessing about the goddamn robot as a story · 5 points
HN discussionSubmitted We should improve libzfs somewhat as a story · 4 points
HN discussionSubmitted Io_uring is not an event system (2021) as a story · 3 points
HN discussionSubmitted A few nice things in OpenZFS 2.3 as a story · 3 points
HN discussionSubmitted Quiz: A tool for rapid OpenZFS development as a story · 3 points
HN discussionSubmitted What people said about an OpenZFS bug as a story · 2 points
HN discussionSubmitted OpenZFS deduplication is good now and you shouldn't use it (2024) as a story · 1 points
HN discussion
