Apache NiFi Registry System Administrator's Guide
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MySQL

MySQL also provides the option to use an externally located database that also supports high availability.

The following steps are required to use MySQL:

  1. Download the MySQL JDBC driver and place it somewhere accessible to NiFi Registry

    /path/to/drivers/mysql-connector-java-8.0.16.jar
  2. Create a database inside MySQL (enter mysql shell using mysql -u root -p

    CREATE DATABASE nifi_registry;
  3. Create a database user and grant privileges (for remote users, use nifireg'@'<IP-ADDRESS>, or nifireg'@'% for any remote host)

    GRANT ALL PRIVILEGES ON nifi_registry.* TO 'nifireg'@'localhost' IDENTIFIED BY 'changeme';
  4. Configure the database properties in nifi-registry.properties

    nifi.registry.db.url=jdbc:mysql://<MYSQL-HOSTNAME>/nifi_registry
    nifi.registry.db.driver.class=com.mysql.cj.jdbc.Driver
    nifi.registry.db.driver.directory=/path/to/drivers
    nifi.registry.db.username=nifireg
    nifi.registry.db.password=changeme