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BY Eric Goldman
7 min read
Choosing the right, real-time, Postgres CDC platform

You need change data capture (CDC). That is, when your database changes, you need those changes to trigger actions or sync data with other systems. The question is: how do you capture and deliver those changes reliably?...

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BY Anthony Accomazzo
5 min read
Announcing Sequin v0.5

We just released Sequin v0.5. I'm really excited about this release, many of the core building blocks are in place. Sequin streams data out of your Postgres database. You can use it to replicate data from your existing tables to other apps, databases, caches, materialized views, or...

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BY Carter Pedersen
8 min read
Benchmarking pg_net: Part 1

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....

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BY Anthony Accomazzo
7 min read
All the ways to react to changes in Supabase

We're Sequin, a Postgres CDC tool to streams and queues like Kafka, SQS, HTTP endpoints, and more. A lot of our users use Supabase, so we've explored all the ways they've done event-driven workflows before Sequin. Supabase makes it easy for your frontend to...

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BY Anthony Accomazzo
10 min read
How we build forms in LiveView + LiveSvelte

We're Sequin, a Postgres CDC tool to streams and queues like Kafka, SQS, HTTP endpoints, and more. We have a web 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...

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BY Anthony Accomazzo
13 min read
Postgres sequences can commit out-of-order

We're Sequin, a Postgres CDC tool to streams and queues like Kafka, SQS, HTTP endpoints, and more. 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...

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BY Anthony Accomazzo
12 min read
LiveView is best with Svelte

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....

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BY Anthony Accomazzo
9 min read
All the ways to capture changes in Postgres

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....

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BY Randy Coulman
6 min read
GenServer.reply: Don't Call Us, We'll Call You

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....

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BY Randy Coulman
9 min read
Between the Ctrl-C's

An outline of the options available in the Elixir BREAK menu....

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BY Anthony Accomazzo
10 min read
We used Elixir's Observer to hunt down bottlenecks

How we used Elixir's Observer to chase down and fix some puzzling runtime issues....

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BY Anthony Accomazzo
6 min read
Give me /events, not webhooks

Webhooks come with some challenges. We prefer polling an /events endpoint instead when possible....

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