Archive - Gabardo Engineering

The S3 at Scale Runbook

Detecting and fixing cardinality explosions in production buckets

Mar 31 • Adrian Gabardo

Cost Modelling as an Architectural Constraint: An S3 Case Study

A trillion-object storage architecture that scaled functionally, and nearly triggered a $7.2M lifecycle event.

Mar 31 • Adrian Gabardo

Oncall Nihilism

Why Your Pager is a Design Failure

Mar 24 • Adrian Gabardo

Implementing a flight search engine

Graph traversal with an IDFFS algorithm

Mar 17 • Adrian Gabardo

Engineering an Aviation Graph: Data Structures and Design Decisions

The Graph Series, part 2

Mar 3 • Adrian Gabardo

February 2026

The Aviation Industry as a Graph problem

The Graph Series, part 1

Feb 17 • Adrian Gabardo

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