Cetra's Thoughts

Hello! This is my website where I post blogs and investigations mostly about Rust.

Currently, I am building things for Pydantic. I am primarily working with the rust team for Logfire.

My Projects

Here is a small selection of projects I have been working on. Check out my GitHub profile for more.

DiveDB

Scuba Diving Database with Dive Sites and Dive Photos

DiveDB is a website for cataloguing and recording scuba diving related activities. It currently includes a dive site map, photos & dive log functionality. The backend is written with Actix Web and the frontend with SvelteKit.

Live: https://divedb.net/, Source: https://github.com/cetra3/divedb

Lorikeet

A Parallel Test Runner for DevOps

Lorikeet is a command line tool and a rust library to run tests for smoke testing and integration testing. Lorikeet currently supports bash commands and simple http requests along with system information (ram, cpu)

https://github.com/cetra3/lorikeet

TMQ

Rust ZeroMQ bindings for Tokio

This crate bridges Tokio and ZeroMQ to allow for ZeroMQ in the async world.

https://github.com/cetra3/tmq

Recent Blogs

Creating MCP Servers in Rust

A journey of how I created an MCP Server in Rust and the road blocks I had along the way

rust mcp crdt 2026-02-01

MCP servers are useful tools that allow AI agents the ability to interact with applications in a prescribed fashion. I wanted to understand how they put together so I could work out where/how they are useful. One of the things I found when first investig…

A tale of two lengths

Adventures in memory profiling a rust-based cache

rust 2025-05-11

They say there are 2 hard problems in computer science, and I've hit all 3 of them.... This is a blog post about a memory problem we were hitting in production with a service written in rust, and the tools used to resolve it. The Problem Object Storage, …

Creating your own custom derive macro

Harnessing the power of `syn` and `quote` to create custom rust macros

rust divedb 2023-07-23

One of the things I tackled early on with when creating DiveDB was trying to import a lot of metrics from dive logs. At regular intervals, normally every 10 seconds, a dive computer will record metrics about the dive, such as depth, tank pressure, water t…

More Blogs