Graceful shutdown of Sidekiq processes on Kubernetes
In our last blog, we explained how to handlerolling deployments of Rails applications with no downtime. In this article we will walk you throughhow to handle graceful shutdown of processes in Kubernetes. This post assumes that you have basic understanding ofKubernetesterms likepodsanddeployments. ProblemWhen we deploy Rails applications on kubernetesit stops existing pods and spins up new ones.Whe
How does the Kubernetes scheduler work?
July 27, 2017 Hello! We talked about Kubernetes’ overall architecture a while back. This week I learned a few more things about how the Kubernetes scheduler works so I wanted to share! This kind of gets into the weeds of how the scheduler works exactly. It’s also an illustration of how to go from “how is this system even designed I don’t know anything about it?” to “okay I think I understand the b
Kubernetes: (Graceful) Sidekiq Worker Lifecycle
IntroductionWith our recent release of Container Stacks v2 into public beta we're totally loving Kubernetes. But as with all love affairs, there are some bothersome aspects that we have to accept and work with. One such aspect is in the inflexibility of the vanilla shutdown sequence provided by Kubernetes. We're also prolific users of Sidekiq for the parts of our backend that are ruby-based (we're
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Alternative approach for sensitive file uploads
