I've been writing a library for running PostgreSQL migrations in Go. One of the primary pieces of advice I keep coming across is

Beware of lock queues, use lock timeouts

In other words, each migration stage should happen instantaneously (or almost instantaneously). For real-time applications, if a migration runs "for …

I recently¹ had the privilege of co-authoring a blog post on the Blend engineering blog with my esteemed colleague Austin Poore. Our engineering organization is growing like crazy right now and it's a lot of fun so if any of this post is interesting to you, check out our …

I've been load testing quite a bit recently. So far I've been impressed by the wrk project's use of sockets to pour on a ridiculously high amount of load. When I had stretched the system under load past its limits, finding the fortio project was a breath of fresh air …

In order to learn a bit more about how both the TCP and HTTP/2 protocols work, I recently created the tcp-h2-describe reverse proxy in Python. I was excited about some of the insights I was able to glean from the process, in particular a full example tracing a connection …

In my day job at Blend, I write a lot of TypeScript¹. One great feature of TypeScript is the ability to specify an enum with a finite set of values as a union type:

type Coordinate = 'x' | 'y'

which then gives compile time checking for values of this type …