What is the Heroku Dyno Restart Policy?

What is the Heroku Dyno Restart Policy?

The Heroku Dyno Restart Policy refers to the rules governing how and when Heroku restarts its dynos, which are lightweight containers that run applications.

How often do dynos restart?

Dynos on Heroku are automatically restarted at least once every 24 hours, but they can also restart due to various factors like memory usage or application crashes.

Can I control when my dynos restart?

You cannot directly control the automatic restarts, but you can schedule your deployments and manage your app's performance to minimize disruptions.

What happens during a dyno restart?

During a dyno restart, the current processes are terminated, and new instances of your application are started, which can lead to brief downtime.

Is there a way to reduce downtime during restarts?

Yes, you can implement techniques like using a load balancer or setting up a preboot feature to reduce downtime during restarts.