System requirements

The following are the minimum software and hardware requirements to run Charmed MySQL 8.4.

Software

  • Ubuntu 26.04 LTS (Resolute) or later

  • Ubuntu 26.04 LTS (Resolute) or later

  • Kubernetes 1.34+

  • Canonical MicroK8s 1.34+

    • snap channel 1.34-strict/stable and newer

Juju

Always check the release notes to find the minimum Juju version for your deployment.

Juju major release

Supported minor versions

Compatible charm revisions

Comment

Juju major release

Supported minor versions

Compatible charm revisions

Comment

MySQL group replication requirements

  • In order to integrate with this charm, every table created by the integrated application must have a primary key. This is required by the group replication plugin enabled in this charm.

  • The count of Charmed MySQL units in a single Juju application is limited to 9. Unit 10+ will start; however, they will not join the cluster but sleep in a hot-swap reserve.

Hardware

Make sure your machine meets the following requirements:

  • 8GB of RAM

  • 2 CPU threads

  • At least 20GB of available storage

The charm is based on the charmed-mysql snap .

It currently supports:

  • amd64

  • arm64

  • s390x

The charm is based on the charmed-mysql ROCK OCI , which is recursively based on the charmed-mysql snap .

It currently supports:

  • amd64

  • arm64

  • s390x

Contact us if you are interested in a new architecture!

Networking

  • Access to the internet for downloading the required snaps, rocks, and charms.

    • For air-gapped environments, see our offline deployment guide <air-gapped>

  • Only IPv4 is supported at the moment