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Learn about vigilant mode.

A new revision of Charmed MySQL VM has been published in the 8.0/stable channel.

See also: Releases overview page, How to perform an upgrade

Features

  • Deploy on VM (tested with LXD, MAAS)
    • juju constraints are supported to limit CPU/RAM/Storage size
  • Scaling up/down in one simple juju command
  • HA using Innodb Group replication
  • Full backups and restores are supported when using any S3-compatible storage
  • TLS support (using “tls-certificates” operator)
  • DB access outside of Juju using “data-integrator”
  • Data import using standard tools e.g. mysqldump, etc.
  • Documentation:
Charm Version Charm channel Documentation License
MySQL 8.0.32 8.0/stable (r151) Tutorial, Readme, Contributing Apache 2.0

Full Changelog: https://github.com/canonical/mysql-operator/commits/rev151

What is inside the charms

  • Charmed MySQL charm ships the latest MySQL “8.0.32-0ubuntu0.22.04.2”
  • VM charms based on our SNAP (Ubuntu LTS “22.04” - core22-based)
  • Principal charms supports the latest LTS series “22.04” only.
  • Subordinate charms support LTS “22.04” and “20.04” only.

Technical notes

Compatibility with legacy charms:

  • New MySQL charm is a juju-interface compatible replacement for legacy charms such as “MariaDB”, “OSM MariaDB”, “Percona Cluster” and “Mysql Innodb Cluster” (using legacy interface “mysql”, via endpoints “mysql” and “mysql-root”). Other legacy interfaces such as “mysql-router” interface (“db-router” endpoint) and “mysql-shared” interface (“shared-db” endpoint) are also supported. However, it is highly recommended to migrate to the modern interface ‘mysql_client ’. It can be easily done using the charms library ‘data_interfaces’ from ‘data-platform-libs’.

Please contact us, see details below, if you are considering migrating from other “legacy” charms not mentioned above. Additionally:

  • Tracks description:
    • Charm MySQL charm follows the SNAP track “8.0”.
  • No “latest” track in use (no surprises in tracking “latest/stable”)!
    • Charmed MySQL charms provide legacy charm through “latest/stable”.
  • Charm lifecycle flowchart diagrams: MySQL.
  • Modern interfaces are well described in “Interfaces catalogue” and implemented by 'data-platform-libs'.

How to reach us

If you would like to chat with us about your use-cases or ideas, you can reach us at Canonical Mattermost public channel or Discourse. Check all other contact details here.

Consider opening a GitHub issue if you want to open a bug report. Contribute to the project!

The document was originally posted here.

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