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External Metastores

Audience: System Administrators

Content Summary: This document describes how to use an existing Hive external metastore instead of the built-in metastore.

Local or Remote Mode

Immuta supports the use of external metastores in local or remote mode , following the same configuration detailed in the Databricks documentation.

Configure External Hive Metastore

Download the metastore jars and point to them as specified in Databricks documentation. Metastore jars must end up on the cluster's local disk at this explicit path: /databricks/hive_metastore_jars.

If using DBR 7.x with Hive 2.3.x, either

  • Set spark.sql.hive.metastore.version to 2.3.7 and spark.sql.hive.metastore.jars to builtin or

  • Download the metastore jars and set spark.sql.hive.metastore.jars to /databricks/hive_metastore_jars/* as before.

Configure AWS Glue Data Catalog

To use AWS Glue Data Catalog as the metastore for Databricks, see the Databricks documentation.