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Better Dev #245 Mar 20, 2023 Scaling Kubernetes to 7,500 nodes At this point no one doesnt know OpenAI and their ChatGPT.They run a massive K8S cluster with 7,500 nodes.Needless to say that come with many challenges they share with us here.Things DBs Don't Do - But Should Writing or talking about th

Better Dev #244 Mar 13, 2023 How discord stores trillions of messages Rewrite in Rust, migrate to ScylaDB from cassandra.But the most important thing to me is the request coalescing.If two user read the same row, there should only one query to the database.How Cloudflare runs Prometheus at scale The

Better Dev #243 Feb 26, 2023 Scaling Etsy Payments with Vitess: Part 1 The Data Model Etsy Payment system reached the point where vertical scale wont work anymore.They used biggest instance on GCP.They migrated this to Vitess.They have to change schema and update data model and roll out in 2 phases

Better Dev #242 Feb 13, 2023 Neural Networks: Zero to Hero A course by Andrej Karpathy on building neural networks, from scratch, in code.We start with the basics of backpropagation and build up to modern deep neural networks, like GPT.In my opinion language models are an excellent place to learn de

Better Dev #241 Feb 06, 2023 How a single line of code brought down a half-billion euro rocket launch How a rocket launch fail.Re-use of code written for 32-bit system on a 64-bit data range.Novo Bank Novo is the powerfully simple small business banking platform thats resetting expectations of small

Better Dev #240 Jan 23, 2023 Start speaking a new language in just three weeks with Babbel (SPONSOR) Learning to speak a new language goes beyond just vocabulary: its about being able to hold a real-life conversation with a local, and understanding the culture and the people of each place.Consider B

Better Dev #239 Jan 16, 2023 What happens when you open a terminal and enter ls This could be the equivalent of the in famous what happen when you type an address into the browser, but for terminal which we interact on a daily basis but may forgot or not having a full understand of its architecture.

Better Dev #238 Jan 9, 2023 Hi everyone, this week is security week.First, if you used CircleCI, make sure to rotate any secret since they suffered a breach.Second, Slack private repository got hacked too, and there is no customer data there but regardless, if your company use Slack, best to be rota

Better Dev #237 Jan 2, 2023 Happy new year everyone.2022 was a brutal year for me.A few app and idea I was working on wasnt turning out well and my start-up also shutdown.At the end of 2022, I got a terrible COVID but luckily thing turn out well and here am I sending out this issue.Hope 2023 will be

Better Dev #236 Dec 18, 2022 What every SRE should know about GNU/Linux shell related internals: file descriptors, pipes, terminals, user sessions, process groups and daemons Have you ever thought about how a shell pipe works, how pressing the CTRL+C combination delivers the interrupt signal to the

Better Dev #235 Dec 5, 2022 This week there is a vulnerability in VS Code.If you used VS Code, make sure to upgrade your VS To latest version after v1.How Gitlab diagnosed and resolved Redis latency spikes with BPF and other tools It is hard to debug intermittent issue, since it is usually doesnt fo

Better Dev #234 Nov 21, 2022 Happy thanks giving for anyone that celebrate this holiday.I take a week off next week for thanksgiving so there will be no issue next week.I recommend some get away time from computer this weekend as well.I come from a third world country and Im so thankful for what Im

Better Dev #233 Nov 14, 2022 Let's write a tiny chess engine in go In this article we will try to understand how chess engines work by porting the sunfish chess engine to Go.Sunfish is notable for its simplicity and small size, while still being capable of playing decent chess.Go is also known as a

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