Upgrade Charmed MLflow 2.1 to 2.15¶

This guide describes how to upgrade Charmed MLflow version 2.1 to 2.15.

Prerequisites¶

This guide assumes:

You have deployed MLflow version 2.11.
You have Command Line Interface (CLI) access to the machine where the Juju controller is deployed. All commands in this guide are executed from it.

Tip

Before proceeding, you might want to backup MinIO data including your experiments and models. See Backup MLflow data for more details.

Charmed MLflow 2.15 requires:

If you do not meet these requirements, please upgrade these dependencies. See MicroK8s upgrade and Juju upgrade respectively for more details.

To upgrade the MLflow bundle charms from 2.11 to 2.15, run the following commands:

juju refresh mlflow-minio --channel=ckf-1.9/stable
juju refresh mlflow-server --channel=2.15/stable

Only if you are running MLflow within Kubeflow, you must upgrade your resource dispatcher deployment.

Note

MLflow 2.15 works only with resource dispatcher version 2.0/stable.

To upgrade your resource dispatcher, do the following:

juju refresh resource-dispatcher --channel=2.0/stable