Tag: MusicBrainz Server

Major upgrade for mirrors: November 25, 2024

MusicBrainz is announcing a major mirror upgrade for November 25, 2024. The minimum required version of Docker Compose will change from v1.21.1 to v2. Search will be upgraded from Solr 7 to Solr 9. Mirrors will likely require a reinstall from scratch, we will provide instructions by release day.

This upgrade is not going to break replication for existing mirrors, even mirrors that have enabled live search. However, Solr 7 dumps will no longer be available.

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Schema change release: May 13, 2024

MusicBrainz is announcing a new database schema change release for May 13, 2024. The main change will be to upgrade from PostgreSQL 12 to 16. Even though it isn’t database-related, Perl will also be upgraded from 5.30 to 5.38. Those will become the minimum required versions. Other changes are mostly clean-up and refactoring, with the exception of support for genre collections and (addendum) 6-digit label codes.

A few weeks after, the search engine will also be upgraded from Solr 7 to 9. Search indexes will have to be rebuilt on mirrors, which takes some time. Gladsomely, it will allow us to implement search improvements again.

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