Archives | tenzaa

2023

10

27

The system began dropping acknowledgements under load. Our event consumer, designed for at-least-once delivery from a Ka

2023-10-27 Distributed Systems

BDD DynamoDB Haskell Event-Driven Architecture Idempotency

27

The initial system was a single, monolithic Java application tasked with an impossible combination of responsibilities:

2023-10-27 Architecture

Microservices Elixir Java Rust Pulumi Actix-web IaC

27

The trigger for this project wasn’t a grand architectural vision; it was a production incident. A seemingly innocuous AL

2023-10-27 DevOps

Kubernetes CI/CD Tekton Rust PostgreSQL

27

Our deployment process was a liability. A single feature release required orchestrating changes across three distinct se

2023-10-27 Distributed Systems

DigitalOcean WebSockets Elixir OTP Phoenix Two-Phase Commit (2PC)

27

The initial request was straightforward: allow data scientists to run their ad-hoc Spark jobs without direct SSH access

2023-10-27 System Design

React Testing Library RESTful API Babel Asynchronous Processing Apache Spark System Integration

27

The initial system was a security incident waiting to happen. A collection of Python scripts, glued together with cron,

2023-10-27 Cloud Security

Monorepo FastAPI Python IAM Security Pandas AWS