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Release date

30th November 2023


  • The big new feature this month is Instance tagging. This allows tags to be added to your instances as a way to categorise them with additional metadata.Tags consist of a name and a value. Useful tag names could be things such as the environment, service, application, customer, owner, region, version, availability-zone, data-centre, business-unit.
  • On the Blocking sessions screen the columns are now sortable. The default sort order is by blocking time descending so the most expensive blocking tree is at the top of the list, but you can choose to sort on any of the columns.
  • Prometheus endpoint for DBmarlin sensor health is now available in case you need to monitor your DBmarlin sensors to make sure they are healthy and collecting data; you can now use our prometheus endpoint to do this.
  • Users of the free Starter license will now see an 'Upgrade' button linking to our new pricing calculator page for when you are ready to upgrade.
  • We now allow instance to be specified by name rather than id in the UI URLs. For example /instances/mysql57/activity instead of /instances/5/activity which is useful if you are linking from other tools where you wouldn't know the id of the instance.


  • Minor fixes and improvements.

Known Issues

  • The Instana button is not displayed. Will be fixed in v3.12
  • If you are monitoring a server which requires TLS v1.0 or v1.1 which are now obsolete you will need to edit ./lib/security/ to change disabledAlgorithms and restart the DBmarlin Tomcat. See this FAQ for more details.