v0.39.0.1 / Operations Guide / Migrating From H2
If you decide to use the default application database (H2) when you initially start using Metabase, but later decide that you’d like to switch to a more production-ready database such as MySQL or Postgres, we make the transition easy for you.
I want to change my database and set it to mysql I go through How to migrate from H2 to MySQL but I couldn't connect to any consols! Here is the changase made to master-datasources.xml: <. Migrating from H2 to Postgres as the Metabase application database. For general information, see instructions for migrating from H2 to MySQL or Postgres. To migrate an existing Metabase container from an H2 application database to another database container (e.g. Postgres, MySQL), there are a few considerations to keep in mind. Export h2 database to mysql. Amazon Web Services, Build, Deploy and Manage Relational & Nonrelational Databases in the Secure Amazon Cloud. V0.36.0 / Operations Guide / Migrating From H2 Migrating from using the H2 database to MySQL or Postgres. If you decide to use the default application database (H2) when you initially start using Metabase, but later decide that you’d like to switch to a. The embedded H2 database is only supported while you are evaluating Confluence. You must migrate to a supported external database before using Confluence as a production system. Just purchased a license to turn my eval into a purchased copy. I then learned that I had to migrate off the embedded H2 DB to something else.
When you install Rundeck on your server,H2 database is configured by default. I prepared a video to guide you for migrating this database in Mysql. Rundeck version: 2.11. Mysql version: 5.5. This procedure is applicable to all Rundeck versions.
Metabase provides a custom migration command for upgrading H2 application database files by copying their data to a new database. Here’s what you’ll want to do:
- Shutdown your Metabase instance so that it’s not running. This ensures no accidental data gets written to the db while migrating.
- Make a backup copy of your H2 application database by following the instructions in Backing up Metabase Application Data. Safety first!
- Run the Metabase data migration command using the appropriate environment variables for the target database you want to migrate to. You can find details about specifying MySQL and Postgres databases at Configuring the application database. Here’s an example of migrating to Postgres:
It is expected that you will run the command against a brand-new (empty!) database; Metabase will handle all of the work of creating the database schema and migrating the data for you.
Notes
- Avoid upgrading and migrating at the same time, since it can cause problems with one of database schemas not matching.
- It is required that you can connect to the target MySQL or Postgres database in whatever environment you are running this migration command in. So, if you are attempting to move the data to a cloud database, make sure you take that into consideration.
- For MySQL or MariaDB, the minimum recommended version is MySQL 5.7.7 and MariaDB 10.2.2, while the following is required:
utf8mb4_unicode_ci
collation,utf8mb4
character set, andinnodb_large_prefix=ON
. - For PostgreSQL, the minimum version is PostgreSQL 9.4, since the code that handles these migrations uses a command that is only available in version 9.4 or newer.
- H2 automatically adds a
.h2.db
or.mv.db
extension to the database path you specify, so make sure the path to the DB file you pass to the command does not include it. For example, if you have a file named/path/to/metabase.db.h2.db
, call the command withload-from-h2 /path/to/metabase.db
.
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