Why “Up” Is One of the Weakest Signals in Production
A production-engineering deep dive into why “up” is one of the weakest signals in production, grounded in the 2014 Mac mini hserver observability stack and its accepted runtime evidence.
failure model
Why My Monitoring System Needed Monitoring Too
A production-engineering deep dive into why my monitoring system needed monitoring too, grounded in the 2014 Mac mini hserver observability stack and its accepted runtime evidence.
What Production-Grade Means on Decade-Old Hardware
A production-engineering deep dive into what production-grade means on decade-old hardware, grounded in the 2014 Mac mini hserver observability stack and its accepted runtime evidence.
Metrics, Logs, Probes and State Checks Answer Different Questions
A production-engineering deep dive into metrics, logs, probes and state checks answer different questions, grounded in the 2014 Mac mini hserver observability stack and its accepted runtime evidence.
Why Every Monitoring Component Had to Justify Its RAM
A production-engineering deep dive into why every monitoring component had to justify its ram, grounded in the 2014 Mac mini hserver observability stack and its accepted runtime evidence.
The Server Cannot Report Its Own Death
A production-engineering deep dive into the server cannot report its own death, grounded in the 2014 Mac mini hserver observability stack and its accepted runtime evidence.
The Observability Tax on a 7.1 GiB Linux Server
A production-engineering deep dive into the observability tax on a 7.1 gib linux server, grounded in the 2014 Mac mini hserver observability stack and its accepted runtime evidence.
One Machine, Many Failure Domains: Mapping the 2014 Mac mini
A production-engineering deep dive into one machine, many failure domains: mapping the 2014 mac mini, grounded in the 2014 Mac mini hserver observability stack and its accepted runtime evidence.
Desired State, Observed State and User-Visible State Are Three Different Things
A production-engineering deep dive into desired state, observed state and user-visible state are three different things, grounded in the 2014 Mac mini hserver observability stack and its accepted runtime evidence.
Monitoring Is a Failure-Modeling Problem, Not a Dashboard Problem
A production-engineering deep dive into monitoring is a failure-modeling problem, not a dashboard problem, grounded in the 2014 Mac mini hserver observability stack and its accepted runtime evidence.