Top all-time · #9241
Joseph Mate
Personal blog · josephmate.github.io · on HN as TYMorningCoffeeprogrammingsystems
Joseph Mate's personal blog at josephmate.github.io covers programming and systems. Since 2020, 8 different Hacker News readers have linked it 14 times, most often “1M Concurrent Connections”. It is still writing: the last post was on 2026-01-21, and you can follow it by feed.
Too few sampled comments (4) to say how often HN recommends it.?
Why HN links it
HN readers link Joseph Mate's posts on how many concurrent connections a server can handle and a complexity estimator tool. The comments are bare links or citations and do not judge the writing.
Summarised by Claude from a sample of 4 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
- [Github](https://github.com/josephmate) - [LinkedIn](https://ca.linkedin.com/in/josephmatei)
Most-linked posts?
- 1M Concurrent Connections5 people · 5 mentions · first linked 2022-04-14
- Show HN: Estimate Runtime Complexity2 people · 2 mentions · first linked 2021-05-31
- 3,200% CPU Utilization2 people · 2 mentions · first linked 2025-02-28
What Hacker News says?
If you've been consistently redeeming free games from Epic you might already have it. It was free on 2020-08-06[1]. [1] https://josephmate.github.io/EpicFreeGamesList/
Comment linking /EpicFreeGamesList/
on “How 'Factorio' seduced Silicon Valley and me”Submitted 3,200% CPU Utilization as a story · 493 points
HN discussionHere are the ten most recent pages on my list, with [A] for article view working correctly, [B] for article view being broken, [W] for article view (and thus offline access) being completely unavailable: - [B] https://spotbugs.readthedocs.io/en/latest/running.html (just completely mangled, starts with “-sortByClass=filepath:”, that is, skipping around half of the actual page) - [W] https://web.itu.edu.tr/~dalyanda/m…
Comment linking /2025-02-26-3200p-cpu-util/
on “Mozilla flamed by Firefox fans after reneging on promises to not sell their data”Submitted 100% CPU: My Fault? as a story · 24 points
HN discussionI was only able to get to 840,000 open connections with my experiment. My machine only has 8GB of memory. https://josephmate.github.io/2022-04-14-max-connections/ Is there anyway for the TCP connections share memory in kernel space? My experiment only uses two 8 byte buffers in userspace.
Comment linking /2022-04-14-max-connections/
on “Achieving 5M persistent connections with Project Loom virtual threads”Submitted 1M Concurrent Connections as a story · 4 points
HN discussionhttps://en.wikipedia.org/wiki/Delphi_method > https://news.ycombinator.com/item?id=26368011 https://blog.pragmaticengineer.com/yes-you-should-estimate/ > https://news.ycombinator.com/item?id=27006853 https://josephmate.github.io/PowersOf2/ Complexity Estimator https://earthly.dev/blog/thought-leaders/ > https://news.ycombinator.com/item?id=27467999 https://jacobian.org/2021/may/20/estimation/ > https://news.ycombina…
Comment linking /PowersOf2/
on “Estimates are difficult for developers and product owners”Submitted Ghost in the Wi-Fi as a story · 2 points
HN discussionThis won't replace your IDE. Code discussions are handled better by github or gitlab. However, if you want to share links to your code with others that let them navigate all the way down to the JDK, then give this a try. If you don't really know what to do with this, then have some fun. I challenge you to start from JDK's JarFile[1] and see if you can reach my favourite class: HashMap. Before I fell in love with Int…
Comment linking /OdinCodeBrowser/jdk17/java/util/jar/JarFile.html
on “Show HN: OdinCodeBrowser: Navigate Code Like in Your IDE but on a Static Webpage”Submitted 1M Concurrent Connections as a story · 1 points
HN discussionProbably a lot depending on your workload. Here's a 2015 article about getting to 2 million concurrent connections[1] with Phoenix channels. They used a bigger rack space box, but it was 7 years ago and Phoenix and Elixir have both improved a lot here. Here's another example of someone hitting a laptop with 840,000 connections[2] on an intel mac with the following specs: > 2.5 GHz Quad-Core Intel Core i7 16 GB 1600…
Comment linking /2022-04-14-max-connections/
on “Ask HN: Hunting for a Framework”Submitted Show HN: Estimate Runtime Complexity as a story · 1 points
HN discussionhttps://josephmate.github.io/2022-04-14-max-connections/ > https://www.reddit.com/r/java/comments/u3gynp/1000000_concur...
Comment linking /2022-04-14-max-connections/
on “C10M: The C10M Problem”Submitted Stats and checklist for Google Kickstart problems as a story · 1 points
HN discussion