A Byte of Coding Issue 352

Sup,

Here’s the issue.

Startup Infrastructure: Scaling from Zero to Enterprise

Published: 3 February 2024

Tags: architecture, infrastructure, philosophy

Vadim Kravcenko elaborates on what your technological priorities should be in the different stages of your company’s growth, as a technical leader.

Some highlights:

• start off using tech you move the quickest with

• prioritize devops when you’ve graduated to having a team of developers at your disposal

• at the enterprise level you should be prioritizing hiring people smarter than you to take responsibility for different parts of the tech

Cinnamon: Using Century Old Tech to Build a Mean Load Shedder

Published: 22 November 2023

Tags: optimization, distributed systems, architecture

Jakob Holdgaard Thomsen, Vladimir Gavrilenko, Jesper Lindstrom Nielsen, and Timothy Smyth introduce Uber’s new load shedding library, Cinnamon.

Some highlights:

• “uses century-old techniques to dynamically set thresholds for rejecting and estimating capacity of the services”

• improves on previous Controlled Delay (CoDel) systems in a number of ways

• “built as an RPC middleware that is easily imported by Uber’s Go services”

Linear Lenses in Haskell

Published: 7 February 2024

Tags: haskell, functional programming

Bartosz Milewski discusses how linear lenses can be used for resource management in haskell.

Some highlights:

• “main advantage of linear types in Haskell, other than dealing with external resources, is to allow safe mutation and non-GC memory management”

• a linear function consumes its argument exactly once

• with linear types, “every resource comes with a special primitive that gets rid of it”