Centurion vs Rancher: What are the differences?
What is Centurion? A mass deployment tool for Docker fleets. A deployment tool for Docker, made by New Relic. Takes containers from a Docker registry and runs them on a fleet of hosts with the correct environment variables, host volume mappings, and port mappings. Supports rolling deployments out of the box, and makes it easy to ship applications to Docker servers. New Relic is using it to run their production infrastructure.
What is Rancher? Open Source Platform for Running a Private Container Service. Rancher is an open source container management platform that includes full distributions of Kubernetes, Apache Mesos and Docker Swarm, and makes it simple to operate container clusters on any cloud or infrastructure platform.
Centurion and Rancher belong to "Container Tools" category of the tech stack.
Some of the features offered by Centurion are:
- Rake application tasks and dependencies
- Talk to a fleet of Docker servers at once
- Does rolling deployment
On the other hand, Rancher provides the following key features:
- Manage Hosts, Deploy Containers, Monitor Resources
- User Management & Collaboration
- Native Docker APIs & Tools
Centurion and Rancher are both open source tools. It seems that Rancher with 11.9K GitHub stars and 1.34K forks on GitHub has more adoption than Centurion with 1.72K GitHub stars and 111 GitHub forks.
What is Centurion?
What is Rancher?
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Why do developers choose Centurion?
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What are the cons of using Centurion?
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- Consume too much unnecessary resource by just running rancher agent alone;
- Hard to recover from system failure
- Bad performance of load balancing (compare to dokcer swarm built-in LB or others).
The whole infrastructure is managed through Rancher. It provides a simple interface to all the underlying tools - Docker, HAProxy (automatically configures load balancer from the containers).
Currently looking to move to Swarm or Kubernetes due to a few issues I have with Rancher.
We use Rancher for container orchestration and automated deployment pipelines.