🔥 Evolving the Go Standard Library with math/rand/v2

Russ Cox
1 May 2024

Since Go 1 was released in March 2012, changes to the standard library have been constrained by Go’s compatibility promise. Overall, compatibility has been a boon for Go users, providing a stable base for production systems, documentation, tutorials, books, and more. Over time, however, we’ve realized mistakes in the original APIs that cannot be fixed compatibly; in other cases, best practices and convention have changed. We need a plan for making important, breaking changes too.

https://go.dev/blog/randv2

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📣 Secure Randomness in Go 1.22

Russ Cox and Filippo Valsorda
2 May 2024

Computers aren’t random. On the contrary, hardware designers work very hard to make sure computers run every program the same way every time. So when a program does need random numbers, that requires extra effort. Traditonally, computer scientists and programming languages have distinguished between two different kinds of random numbers: statistical and cryptographic randomness. In Go, those are provided by math/rand and crypto/rand, respectively. This post is about how Go 1.22 brings the two closer together, by using a cryptographic random number source in math/rand (as well as math/rand/v2, as mentioned in our previous post). The result is better randomness and far less damage when developers accidentally use math/rand instead of crypto/rand.

https://go.dev/blog/chacha8rand

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Push vs pull in metrics collecting systems

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Rate Limiter For The Real World

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Rate Limiting Fundamentals

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Reddit's Architecture The Evolutionary Journey

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