Supplemental Upgrade Topics Additional topics to help with special situations. Configuring a Local Package RepositoryConfiguring a Local Parcel RepositoryInstalling dependencies for Hue before upgrading to CDPIf you want to use PostgreSQL as a backend database to store Hue metadata, job and query history, and account information, then you must install PostgreSQL server, Python 2.7.5, and the Python psycopg2 package on the Hue hosts to connect Hue to the PostgreSQL database. Changes to CDH Hive TablesThe location of existing tables after a CDH to CDP upgrade does not change. Upgrading CDH to CDP Private Cloud Base converts Hive managed tables to external tables in Hive 3. Changes to HDP Hive TablesTo locate and use your Apache Hive 3 tables after an upgrade, you need to understand the changes that occur during the upgrade process. Transitioning from the Cloudera Manager Embedded PostgreSQL Database Server to an External PostgreSQL DatabaseUsing Replication Manager to migrate to CDP Private Cloud Base from CDHWhile using Replication Manager service you must follow these guidelines when migrating the CDH clusters.