Feature | Docker Swarm | Kubernetes |
Installation | Simple installation but resultant cluster not strong | Difficult installation and a resultant cluster is strong |
Scalability | Unlimited nodes with a price of resources lost. 1000 nodes with 30,000 containers
| 5000+ but most companies will limit you to about 250 max. 5000 nodes with 150,000 containers |
Load Balancing | Auto load-balancing in one cluster | Manual load balancing sometimes is required for balancing traffic between pods and containers |
Rollbacks | Automatic rollback when a deployment fails. | Automatic rollback when doing updates |
Updates | A cluster can be upgraded in place | In-place cluster updates have been constantly maturing |
Availability | High Availability. Auto restarting containers when host fail to deliver. | High Availability. Health checks can be defined inside pods. |
Monitoring | 3rd party tools. | Tools built-in. |
GUI | No GUI. 3rd party like #portainer.io | Comes with a dashboard. |