All Stories
Implementing Distributed Circuit Breakers in Go without External Dependencies
We ran a checkout pipeline that fronted a legacy payments gateway. The gateway had a 3-second timeout and, once every few weeks, it would wedge for ten minutes. The client...
Using unsafe.Pointer in Go for Zero-Copy Struct Conversion and System Calls
Every packet that crosses our gateway gets decoded into a struct. The naive path – encoding/binary reading seven fields one at a time, on every packet – is slow in...
Using ActiveSupport::Notifications for Advanced App Tracing and Telemetry
Rails instruments almost every meaningful point in the request lifecycle already: SQL execution, view and partial rendering, cache reads, and full controller actions. It publishes all of it on a...
Go Slice Growth Mechanics: Benchmarking Pre-allocation Strategies
The append loop that grows a slice one element at a time is the most common allocation smell we find in Go production code. It is not wrong, exactly –...