Inside Skylight

Inside Skylight

News and notes from the development team.

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Mar 30, 2021

Typed Ember extends Confidence Part 3: The Real Benefits of TypeScript

This is the third and final part of a series on converting your Ember app to TypeScript to foster confidence in your engineering team. Now, we're circling back to the benefits of TypeScript in the context of developer confidence.…

Mar 30, 2021

Typed Ember extends Confidence Part 2: Converting Your Ember App to TypeScript

This is part 2 of a series on converting your Ember app to TypeScript to foster confidence in your engineering team. Now, we'll look at what TypeScript looks like in an Ember app.…

Mar 30, 2021

Typed Ember extends Confidence Part 1: What is TypeScript?

This is part 1 of a series on converting your Ember app to TypeScript to foster confidence in your engineering team. We're going to start with some basics: "What even is a type? What is TypeScript?"…

Mar 12, 2021

Skylight 5: Now with Source Locations!

Skylight’s new Source Locations feature helps you pinpoint locations in your code corresponding to events in the event sequence. Now available with the 5.0 Skylight agent.…

May 15, 2020

May 15 Outage Post-Mortem

Last night, we had an incident in our data-processing pipeline that resulted in some data loss. At around 11:30 PM Pacific Time, an on-call engineering was paged due to a server becoming unresponsive and unreachable. While quite rare, our infrastructure is robust enough to tolerate some servers going down…

May 5, 2020

The Lifecycle of a Response

This breathtaking docuseries combines rare action, unimaginable scale, impossible locations and intimate moments captured from the deepest depths of Rails internals. This year, we'll travel across the great text/plain, taking in the spectacular Action View as we find our way back to the browser.…

Nov 1, 2019

Announcing Skylight for GraphQL! 🤝

Skylight 4.2.0 now supports GraphQL instrumentation! To use it, upgrade the Skylight gem and add `'graphql'` to your probes list. We support `graphql-ruby` versions >= `1.7`.…

Jun 14, 2019

Using Skylight on Skylight

Skylight is a smart profiler for Ruby and Rails applications. In this post, we use Skylight to improve performance for the Skylight app. So meta!…

May 10, 2019

Announcing Skylight 4.0: Now with Background Jobs!

Skylight’s new Background Jobs feature helps you discover and correct hidden performance issues in your Sidekiq, Delayed::Job, and ActiveJob queues. Now available with the 4.0 Skylight agent.…

May 2, 2019

The Lifecycle of a Request

This post is part of a series. Check out Part II: The Lifecycle of a Response here! This post is a write-up of the talk we gave at RailsConf 2019. You can find the slides here. Most Rails developers should be pretty familiar with this work flow: open up a…

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