Harbourline Notes

Occasional write-ups on distributed systems and the tools we build.

Harbourline Notes

Posts

Backpressure without tears

Notes on bounded queues, load shedding and why retries are a loan you pay back with interest.

Reading flame graphs

A short guide to finding the one function that is eating your latency budget.

On boring deployments

Blue/green, canaries and the value of being able to roll back in under a minute.