#PerformanceOptimization

Puma 7 is here, and that means your Ruby app is now keep-alive ready. This bug, which existed in Puma for years, caused one out of every 10 requests to take 10x longer by unfairly “cutting in line.” In this post, I’ll cover how web servers work, what…

The Performance Penalty of Repeated Connections Before the latest improvements to the Heroku Router, every connection between the router and your application dyno risked incurring the latency penalty of a TCP slow start.…

Learn to triage and fix production issues with confidence using Heroku Fir's new interactive 'heroku run' and enhanced OpenTelemetry (OTel) signals.

Upgrade to Heroku Postgres 17 for faster queries, improved writes, JSON enhancements, and better observability. Learn more!

Learn to scale SignalR apps on Heroku with a Redis backplane and sticky sessions for seamless real-time chat, notifications, and interactive dashboards.

Logging is the unsung hero of enterprise operations—quietly saving the day, one log line at a time. Imagine trying to maintain successful applications without knowing what’s happening inside them.…

Simplify event-driven architecture with Heroku Eventing. Centralized management, secure integration, & real-time data flow. Join the pilot today!

Learn how Heroku's built-in observability features and New Relic integration provide insights to monitor and improve cloud application performance at scale

Now, Enterprise customers can unlock the power of Basic dynos on the Common Runtime.

Heroku new release of Private Spaces features the addition of a third availability zone. See how three AZs makes Private Space apps more resilient to outages.

Common Runtime improvements resulting from new sharded architecture are a great example of the benefits of relying on a managed PaaS like Heroku.

Learn how Zoobean used Heroku's PaaS scaling to handle traffic spikes during their Shark Tank pitch and as they grew to support millions of readers.