Kubernetes storage best practices
For modern containerized applications deployed on Kubernetes, storage is a crucial concern. Kubernetes has progressed from local node filesystems mounted in containers to NFS, and finally to native storage, as described by the CSI specification, which allows for data durability and sharing. In this section, we’ll look at some of the best practices to take into consideration when configuring a PV:
- Avoid statically creating and allocating PVs to decrease management costs and facilitate scaling. Use dynamic provisioning instead. Define an appropriate reclaim policy in your storage class to reduce storage costs when pods are deleted.
- Each node can only support a certain number of sizes, so different node sizes provide varying amounts of local storage and capacity. To install the optimum node sizes, plan accordingly for your application’s demands.
- The life cycle of a PV is independent of any individual container in the cluster...