Top all-time · #8343
Xuanwo's Blog
Personal blog · xuanwo.ioprogrammingsystemsdata
Xuanwo's Blog is a personal blog at xuanwo.io about programming, systems and data. Since 2023, 9 different Hacker News readers have linked it 36 times, most often “Why SQL Hang for 940s? TCP and Async Rust”. It is still writing: the last post was on 2026-01-01, and you can follow it by feed.
Too few sampled comments (1) to say how often HN recommends it.?
Why HN links it
One HN commenter cites this post, which reports a Rust std::fs read that was slower than Python because of an AMD CPU bug, as an example of measuring software performance rather than predicting it.
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.
Achieving Data Freedom Through Open Source and Rust
Most-linked posts?
- Why SQL Hang for 940s? TCP and Async Rust2 people · 3 mentions · first linked 2024-01-24
- Learn Rust by Reasoning with Code Agents2 people · 2 mentions · first linked 2025-08-06
- AWS S3 SDK breaks its compatible services2 people · 2 mentions · first linked 2025-02-20
- A letter to open-source maintainers2 people · 2 mentions · first linked 2024-12-09
- Xuanwo's Vision: Data Freedom2 people · 2 mentions · first linked 2024-07-06
What Hacker News says?
Software is too complex to rely on predictions along. Predicting is useful but eventually you must measure. For example: "In conclusion, the issue isn't software-related. Python outperforms C/Rust due to an AMD CPU bug." https://xuanwo.io/2023/04-rust-std-fs-slower-than-python/#co... Predict that.
Comment linking /2023/04-rust-std-fs-slower-than-python/
on “What factors explain the nature of software?”Submitted Build a link blog like Simon Willison as a story · 236 points
HN discussionSubmitted What I talk about when I talk about query optimizer (part 1): IR design as a story · 193 points
HN discussionSubmitted AWS S3 SDK breaks its compatible services as a story · 190 points
HN discussionSubmitted A letter to open-source maintainers as a story · 178 points
HN discussionSubmitted Personal Software Is Becoming a Trend as a story · 42 points
HN discussionSubmitted Why SQL Hang for 940s? TCP and Async Rust as a story · 6 points
HN discussionSubmitted RBIR: Rewrite Bigdata in Rust as a story · 5 points
HN discussionSubmitted Learn Rust by Reasoning with Code Agents as a story · 4 points
HN discussionSubmitted Open Source funding for its Sustainability as a story · 4 points
HN discussionSubmitted DuckDB is the best TPC data generator as a story · 4 points
HN discussionSubmitted Why SQL Hang for 940s? TCP and Async Rust as a story · 3 points
HN discussionSubmitted How I Vibe Coding? (Sept 2025 Edition) as a story · 2 points
HN discussionSubmitted Learn Rust by Reasoning with Code Agents as a story · 2 points
HN discussionSubmitted How I Vibe Coding? as a story · 2 points
HN discussionSubmitted Why S3 ListObjects Taking 120s to Respond? as a story · 2 points
HN discussionSubmitted Why SQL hang for exactly 940s? TCP and Async Rust! as a story · 2 points
HN discussionSubmitted Release Arrow Rust 54.2.1 in 6 hours as a story · 2 points
HN discussionSubmitted Rust can be faster than C as a story · 2 points
HN discussionSubmitted Welcome OpenDAL New Committer: Xxchan as a story · 2 points
HN discussionSubmitted AWS S3 SDK breaks its compatible services as a story · 2 points
HN discussionSubmitted A letter to open-source maintainers as a story · 2 points
HN discussionSubmitted What did ASF do wrong? as a story · 2 points
HN discussionSubmitted Baking an Open Source Cake as a story · 2 points
HN discussionSubmitted Xuanwo's Vision: Data Freedom as a story · 2 points
HN discussionSubmitted How to Condense 800 Integration Tests into 80, Losslessly as a story · 2 points
HN discussionSubmitted Rust std fs slower than Python as a story · 2 points
HN discussionSubmitted Build GPUI and Ghostty (via libghostty-vt core) without writing code as a story · 1 points
HN discussionSubmitted How I Coding (Oct 2025 Edition) as a story · 1 points
HN discussionSubmitted Where do you belong, system researchers? as a story · 1 points
HN discussion
