Pre-Upgrade Steps for Hue

Complete the following steps before you upgrade Hue with or without the MapR Installer.

  1. Stop the Hue service:
    maprcli node services -name hue -action stop -nodes <ip_address>
  2. Stop the Hue-livy service if it is installed:
    maprcli node services -name livy -action stop -nodes <ip_address>
  3. Create a Hue database dump as a JSON object:
    For MySQL, PostgreSQL, or Oracle
    source /opt/mapr/hue/hue-<version>/build/env/bin/activate
    hue dumpdata > ~/dump-hue-<version>.json
    deactivate
    For SQLite
    cd /opt/mapr/hue/hue-<version>/desktop
    sqlite3 desktop.db .dump > ~/dump-hue-<version>-sqlite.bak
  4. Copy the configuration properties from /opt/mapr/hue/hue-<version>/desktop/conf/ to a location outside your MapR installation.
    After upgrading, you can reapply changes to the updated Hue installation using the backup.