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#systemdesign
Recently, while working on a workshop titled Testing Your Pull Request on #Kubernetes with GKE, and GitHub Actions, I faced twice the same issue: service A needs service B, but service A starts faster than service B, and the system fails. In this post, I want to describe the context of these issues and how I solved them both with the same tool.
A reflective take on how modern systems—from social media to certifications—reward surface-level wins over deep effort. This post explores how we’ve learned to game metrics, optimize for the minimum, and lose sight of meaning in the process. It asks: what happens when the game replaces the goal?
I undertook a thought exercise: how would I go about designing a RPC method when using gRPC?
https://matttproud.com/blog/posts/grpc-method-discipline.html
This is an interesting topic to explore, since gRPC provides building blocks for four major RPC method morphologies: unary, server-side streaming, client-side streaming, and bidirectional streaming. Deceptively I expected the considerations to be few and simple, but they turned out to be far more complex than anticipated.
In sum: requirements matter.
On the criteria to be used in decomposing systems into modules (1972) — https://dl.acm.org/doi/pdf/10.1145/361598.361623
#HackerNews #decomposing #systems #modules #softwareengineering #1972 #ACMpapers #systemdesign
Hearing from an old colleague that your system design scaled and survived for many years is a really nice confirmation.
In this case it was my first multi-process, distributed project based on what I learned from #OpenBSD daemon design and reading #UNIX Network Programming by Stevens, using #SQLite, sockets, select, fork/exec, dropping privileges, passing jobs to distributed workers, and even running on different platforms. Simple, effective, and pretty scalable.
#SystemDesign #ThrowbackThursday
https://taraskovalenko.github.io/posts/saga/
SAGA патерн - управління розподіленими транзакціями в .NET
I’m starting to think that anyone who designs or builds systems that handle data should do a basic bookkeeping course that covers how double entry works.
The accountants managed to work out for us since the 13th Century that if you move money from A to B, both A and B need an audit entry describing the movement each way. Write only - nothing is removed. Yet I don’t see an equivalent teaching in the various system design books, despite this concept being fundamental to any system that needs (financial and non-financial) auditing capabilities.
Computer Science For Beginners
Yihua Zhang explains that while a computer science (CS) degree isn't necessary to become a developer, understanding key CS concepts can be beneficial. It covers topics like computational complexity, data structures, algorithms, and system design, emphasizing their relevance in real-world applications and coding interviews.
#ComputerScience #SoftwareDevelopment #Programming #Algorithms #SystemDesign #DataStructures #TechCareers
I play #games, specifically #boardgames, but I'm open to others (both digi/analog). I've done a lot of #boardgame playtesting in the past (including, but not limited to; Root and John Company from Cole Wehrle, and Gandhi: Decolonization of British India from Bruce Mansfield) and I still do. Although anymore, I usually limit that to really digging into one title for a few seasons to see it through the entire process over playing just one or two iterations of something at an Unpub event or short sprints.
I find it interesting why people like the games (or things in general) that they do. I'm quite a curious critter in that regard and likewise I love stuff like the Richmond Forum or TEDTalks that make me think (and I read the London Review of Books somewhat regularly).
As such, I find #boardgamedesign to be fascinating from a #systemdesign perspective. Some of that is because I've built a long career in the IT system design and implementation space. In 2023, my spouse challenged me to finally get off my duff and design something to play with friends. That's a... "work in progress" at the moment, but I'm happy to discuss design challenges with folks.
For my #wargaming (and history) interests, I have nerded out on the #ColdWar and it's various dynamics/locations plus Japan until WW1. I usually play #wargames for a series of iterations and then trade/sell them unless they hold steam with my group or are otherwise special. Shelf space is at a premium and I think a game that doesn't get played because it's just sitting there could go to a home that will enjoy it more. As such, I use a modified Jones Theory for keeping games, and I churn through a bunch every year.
I do paint minis, mostly in the winter months because my setup isn't conducive currently for summer painting. I prefer CMON's Arcadia Quest or other various SD-style figures for that purpose. I am the proud owner of assembled terrain (!!!) and I don't think has ever seen the light of day...
Otherwise, I enjoy most forms of music and in a prior life did on-location audio recording and some spare time as a roadie for smaller bands. Modern country and 50s rock are two areas that I shy away from though.
Covid caused me to take an interest in spectator sports, specifically stuff that is off the beaten path. I now somewhat consistently watch Cricket (T20 and some ODI), Cycling, and to a lesser degree Rugby 7s. In general, I'm more likely to watch women's iterations of sports when possible (I find the dynamics of play are more interesting than the men's side). We've been a season ticket holder for the local soccer team since before they last won a championship (2009).
2 cats (sisters), and one spouse. We (technically) have a garden and make haphazard attempts at keeping it alive and tended. Send me your cat and boardgame pictures please. I've had exactly one dog in my life, and they were the best dog...
Ok, my turn to write an #introduction full of as many hashtags as I can think of.
I am in #infosec for as long as I can remember. My main interests in the subject are #networksecurity, #websecurity, #codereview, and secure #systemdesign. Unfortunately for you (and probably for me too, I don't know at this point) I also have a Ph.D. and I am a huge fan of "The Logic of Scientific Discovery" by Karl Popper.
I also like #movies, I watch a lot of them and I make way too many references, like the one below.
While waiting for my letter from #Hogwarts, I practice my dark arts with #computerscience the only other thing close to magical spells that I know how to cast. 