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The differences between at-most-once, at-least-once, and exactly-once delivery in messaging systems....
I set out to benchmark pg_net to give the Supabase community the information needed to decide when pg_net will work for them and when they should evaluate other options....
Supabase makes it easy for your frontend to react to changes in your database via its Realtime feature. But outside the frontend, there's lots of reasons your application might want to react to changes in your database. You might need to trigger side effects, like sending users an...
We're Sequin, an open source message stream built on Postgres. We think Sequin's cool, but you don't need to adopt the project to get started with streaming in Postgres. In fact, you can turn Postgres into a basic queue/stream pretty easily. Below, we...
We're Sequin, an open source message stream built on Postgres. We have a console for managing tables and streams, and that console is built with LiveView + LiveSvelte. We wrote previously about how much we enjoyed using LiveView with LiveSvelte. Since then, we've open sourced a lot...
We're Sequin, an open source message stream like Kafka, but built on Postgres. Stable, sequential ordering is a very useful thing to have when building a streaming system. But Postgres' behavior here can be surprising! We go down the rabbit hole below. An under-appreciated fact is that...
Phoenix's LiveView is powerful. But it felt like it was missing something. Adding Svelte not only filled a big gap – it introduced us to an entirely new way to develop web apps....
Working with data at rest is where Postgres shines. But what about when you need data in motion? What about when you need to trigger a workflow based on changes to a table? Fortunately, Postgres comes with a lot of options to make this happen....
Let's look at how we can use `:noreply` and `GenServer.reply` to allow a GenServer to continue working even while its `call`ers wait for the result of long-running operations....
An outline of the options available in the Elixir BREAK menu....
How we used Elixir's Observer to chase down and fix some puzzling runtime issues....
Webhooks come with some challenges. We prefer polling an /events endpoint instead when possible....
