General
Building a CloudWatch metrics pipeline: parsing OpenTelemetry data
Technical challenges of building a parser to ingest AWS CloudWatch metrics via OpenTelemetry.
General
How We Improved Table Performance in AppSignal - Back-end Changes
How we optimized our back-end and prevented GraphQL API timeouts to improve the performance of our tables.
General
Improvements Made to AppSignal for Node.js in 2022
AppSignal's Node.js integration is in a state of constant improvement. Check out the latest fixes and additions.
General
The Wolf Pack Tactic for Monitoring Slow APIs
In this post, we will deal with monitoring external APIs and how you can prevent them from slowing you down.
General
Uptime Monitoring: A One-week Project, a Decade In the Making
In today's post, we'll explain how we went from considering uptime monitoring impossible to build, to building it in a week.
General
AppSignal Now Monitors Koa and All Your Cascading Middleware
AppSignal now monitors Koa! This Node.js framework enables you to use cascading middleware, which can now also be shown in AppSignal.
General
Engineering for Performance: Ghost Queries
Using Ghost Queries to test a new system/database in production with no worry of errors or downtime.
General
How AppSignal Monitors Their Own Kafka Brokers
We dip our toes into collecting custom metrics for our Kafka brokers by using the standalone AppSignal agent.
General
Git is About Communication
Git is a way to communicate with your team. Well written commits and Pull Requests ensure that this communication goes smoothly.
General
Performance and N+1 Queries: Explained, Spotted, and Solved
In this post, we'll look into N+1 queries in a language-agnostic way.
General
Dissecting Rails Migrations: Anatomy, Rollbacks, and Errors (Rails 8.1)
How Rails 8.1 migrations work: the migration class, schema_migrations, schema.rb, rollbacks, transactions, multiple databases, and the errors db:migrate raises.
General
The Citadel Architecture at AppSignal
Check out how AppSignal uses the Citadel pattern and how our system works.
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- ActiveRecord vs. Ecto Part One
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AppSignal provides insights for Ruby, Rails, Elixir, Phoenix, Node.js, Express and many other frameworks and libraries. We are located in beautiful Amsterdam. We love stroopwafels. If you do too, let us know. We might send you some!