The Judoscale Dev Blog

Our Featured Posts

Autoscaling Heroku: The Ultimate Guide

Struggling with traffic spikes on Heroku? Our ultimate guide to autoscaling covers everything from manual scaling to Heroku’s autoscaler and third-party solutions like Judoscale.

Jon Sully

Jon Sully

Heroku (Almost) Free: Understanding Eco Dyno Hours

This guide covers everything you need to know about using Heroku for (almost) free, including Eco dynos, the mini Postgres database plan, and free add-ons.

Adam McCrea

Adam McCrea

Heroku Dynos: Sizes, Types, and How Many You Need

The ultimate guide to dynos on Heroku. If you’ve ever asked "how many dynos do I need?" or "which dyno type is right for my app?", this is the guide for you.

Adam McCrea

Adam McCrea

Understanding Queue Time: The Metric that Matters

Request queue time is a key metric for understanding web app performance and scaling. This post explains what it is, how it's calculated, and how you can use it to effectively optimize your app.

Adam McCrea

Adam McCrea

Our Latest Posts

...which are also pretty good!

Maximizing Performance with Judoscale: Setting Sensitivities

The final chapter of how to tune Judoscale to your application's specific performance needs!

Jon Sully

Jon Sully

Planning your Sidekiq queues

Judoscale's guide to architecting a perfect Sidekiq setup, easily!

Adam McCrea

Adam McCrea

Post-Mortem: How Heroku Router 2.0 Wrecked Our App

A post-mortem of our experience with Heroku’s Router 2.0, and why we completely rebuilt our production app

Adam McCrea

Adam McCrea

Maximizing Performance with Judoscale: Scheduling Your Scaling

A thorough walkthrough of how to schedule your autoscaling dynamically with Judoscale

Jon Sully

Jon Sully

Maximizing Performance with Judoscale: Target Queue Time Range

A deep dive into configuring your queue time range for optimal results in Judoscale

Jon Sully

Jon Sully

Outgrowing Heroku: How TeePublic Conquered Black Friday with Amazon ECS

The TeePublic story: Migrating their Rails monolith from Heroku to AWS to handle a massive holiday rush.

Adam McCrea

Adam McCrea

How to Run Code (Safely) on Repeat Forever

A few strategies for runninng one chunk of code in a loop forever... safely

Jon Sully

Jon Sully

We Were Wrong: Don't Use Heroku Scheduler

Our journey to replace Heroku Scheduler with a more flexible, more maintainable job scheduler.

Adam McCrea

Adam McCrea

How We Monitor Our 1000+ RPS Heroku App

A breakdown of what tools we use to monitor our large-traffic application on Heroku

Jon Sully

Jon Sully

How Our Amazon ECS Autoscaling Works

A little look behind the curtains: how Judoscale autoscales Amazon ECS services so quickly

Jon Sully

Jon Sully

The Best Caching Strategy On The Web

What in the world is "human caching" and what does it even mean?

Jon Sully

Jon Sully

How to FixHeroku's Noisy Neighbors

How to fight off and fix your noisy neighbors on Heroku

Jon Sully

Jon Sully

The Procfile Explained — Examples and Tips

At it simplest, the Procfile is where you declare the one or more processes to be run for your app to function. Heroku’s docs do a great job of explaining the Procfile format, so this post will focus on a bit more advanced usage.

Adam McCrea

Adam McCrea

Autoscaling For GoodJob Queues

Judoscale now supports GoodJob, the modern gem for running background jobs in Rails. Learn how to autoscale your GoodJob queues in minutes.

Adam McCrea

Adam McCrea

Quick Tip: Fix ActiveRecordConnection Pool Errors For Good

Connection pool errors are a Rails configuration issue (not a database issue). Some simple configuration steps will fix these errors almost entirely.

Adam McCrea

Adam McCrea

Heroku Preboot Gotchas: Read This First

Are zero-downtime deploys worth the trade-offs? This post explores the real-world advantages and gotchas with Heroku Preboot.

Taurai Mutimutema

Taurai Mutimutema

Heroku Pipelines Success Guide

Learn how Heroku Pipelines will streamline your multi-environment (staging & production) deployment workflows.

Kasper Siig

Kasper Siig

Heroku Log Tail — Advanced Tools & Tips

Extract fields and perform aggregations on your Heroku logs. All in real-time, with beautiful, human-readable output.

Adam McCrea

Adam McCrea