Rolling updates without downtime using kubernetesGoogle container engine / Kubernetes 1.1.1 - Service...
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Rolling updates without downtime using kubernetes
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Scenario:
- I got 3 replicas of a service running
- I want to update its version
This is whats happening:
- The new container will be created
- As soon the container are switching their status from ContainerCreation to Running kubernetes will start terminating old versions of this container.
Problem: Status Running does not make sure the application is available. How can I prevent kubernetes from terminating services before it is not sure the containers application is available? Maybe adding a necessary health check?
docker kubernetes
asked 12 hours ago
elpelp
907
add a comment |
Scenario:
- I got 3 replicas of a service running
- I want to update its version
This is whats happening:
- The new container will be created
- As soon the container are switching their status from ContainerCreation to Running kubernetes will start terminating old versions of this container.
Problem: Status Running does not make sure the application is available. How can I prevent kubernetes from terminating services before it is not sure the containers application is available? Maybe adding a necessary health check?
docker kubernetes
asked 12 hours ago
elpelp
907
add a comment |
Scenario:
- I got 3 replicas of a service running
- I want to update its version
This is whats happening:
- The new container will be created
- As soon the container are switching their status from ContainerCreation to Running kubernetes will start terminating old versions of this container.
Problem: Status Running does not make sure the application is available. How can I prevent kubernetes from terminating services before it is not sure the containers application is available? Maybe adding a necessary health check?
docker kubernetes
asked 12 hours ago
elpelp
907
Scenario:
- I got 3 replicas of a service running
- I want to update its version
This is whats happening:
- The new container will be created
- As soon the container are switching their status from ContainerCreation to Running kubernetes will start terminating old versions of this container.
Problem: Status Running does not make sure the application is available. How can I prevent kubernetes from terminating services before it is not sure the containers application is available? Maybe adding a necessary health check?
docker kubernetes
docker kubernetes
asked 12 hours ago
elpelp
907
asked 12 hours ago
elpelp
907
asked 12 hours ago
elpelp
907
asked 12 hours ago
elpelp
907
asked 12 hours ago
elpelp
907
907
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
Kubernetes runs readinessProbes to check if a container is actually up for accepting connections. This will be considered when performing a rolling update. While the official Kubernetes documentation on this topic is rather lengthy the blog post Enable Rolling updates in Kubernetes with Zero downtime is a nice summary. Maybe directly check the final deployment file at the end to get the idea.
answered 4 hours ago
webwurstwebwurst
25015
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
Kubernetes runs readinessProbes to check if a container is actually up for accepting connections. This will be considered when performing a rolling update. While the official Kubernetes documentation on this topic is rather lengthy the blog post Enable Rolling updates in Kubernetes with Zero downtime is a nice summary. Maybe directly check the final deployment file at the end to get the idea.
answered 4 hours ago
webwurstwebwurst
25015
add a comment |
Kubernetes runs readinessProbes to check if a container is actually up for accepting connections. This will be considered when performing a rolling update. While the official Kubernetes documentation on this topic is rather lengthy the blog post Enable Rolling updates in Kubernetes with Zero downtime is a nice summary. Maybe directly check the final deployment file at the end to get the idea.
answered 4 hours ago
webwurstwebwurst
25015
add a comment |
Kubernetes runs readinessProbes to check if a container is actually up for accepting connections. This will be considered when performing a rolling update. While the official Kubernetes documentation on this topic is rather lengthy the blog post Enable Rolling updates in Kubernetes with Zero downtime is a nice summary. Maybe directly check the final deployment file at the end to get the idea.
answered 4 hours ago
webwurstwebwurst
25015
Kubernetes runs readinessProbes to check if a container is actually up for accepting connections. This will be considered when performing a rolling update. While the official Kubernetes documentation on this topic is rather lengthy the blog post Enable Rolling updates in Kubernetes with Zero downtime is a nice summary. Maybe directly check the final deployment file at the end to get the idea.
answered 4 hours ago
webwurstwebwurst
25015
answered 4 hours ago
webwurstwebwurst
25015
answered 4 hours ago
webwurstwebwurst
25015
answered 4 hours ago
webwurstwebwurst
25015
25015
add a comment |
add a comment |
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