Hey-yo,

Hope you had a nice weekend. I recently added uptime kuma for service status monitoring to my self-hosted server via caprover. It was super simple to set up and has a ton of different notification options (email, signal, telegram, discord, etc). The dashboard looks really nice too. I’d definitely recommend it if you’re doing any self-hosting and want to add another nifty tool to your silicon utility belt.

Good luck with Ramadan to whoever follows it and here’s the issue.

Visual overview of a custom malloc() implementation

Published: 2 July 2023

Tags: c

Sébastien Michelland dives under-the-hood of how malloc works in c and focuses on one potential implementation of it.

Some highlights:

• “malloc() is the mechanism through which programs obtain memory at runtime, and it often ends up being the primary way in which objects are created and managed”

• the process of the kernel lending memory space to processes (their virtual address space) is called paging

• most of the variety in malloc implementations comes from the requirement of not allowing any live blocks of memory to intersect (causing overwrite issues)

Better Benchmarks Through Graphs

Published: 12 February 2024

Tags: database, performance, graphs

Marc Brooker does an introductory exploration how graphs can be used to generate synthetic database benchmark workloads.

Some highlights:

• rows in the database are treated as nodes, rows appearing in the same transaction are treated as edges

• modeling database transactions using a graph can also be a good way to see how to partition a database

• the difficulty is in producing graphs that are a specific shape

Super Merryo Trolls

Published: ?

Tags: graphics, assembly, games

Garote wrote a 15 part series on creating a video game for the Apple IIgs (in highschool).

Some highlights:

• covers the challenges of writing code for a very slow computer

• it’s a super mario bros ripoff

• there’s a lot of interesting low-level programming