DevOps Articles

Stateful Workloads on Kubernetes with Container Attached Storage

But it’s always had a major design quirk: It wasn’t built to handle stateful workloads — databases and key/value stores, for instance, or any other app that saves client data from its activities to use in future ones. Containers were built to handle stateless apps, with a priority on keeping them flexible and portable.

Developers have needed to rely on scripts and other home-developed automation that can be used to track the location of data,” Evans told The New Stack.

But with this setup, you know, exactly [that] it’s coming from this service and landing onto this database.

It all looks like this: In practical terms, Mova said, this means that a developer who is creating a stateful app and needs access to a database platform like MongoDB can use OpenEBS to allow the container data storage runs, just like any other application within the Kubernetes cluster.