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Migrating from Oracle Big Data Cloud (BDC) to Cloudera on Oracle Cloud Infrastructure IaaS (Doc ID 2572925.1)

Last updated on JUNE 13, 2023

Applies to:

Oracle Cloud Infrastructure
Oracle Big Data Cloud Service - Compute Edition
Information in this document applies to any platform.


Note: Oracle Big Data Cloud (BDC) == BDCS-CE. For the purposes of this document, we will refer to BDCS-CE or BDC as ‘Oracle Big Data Cloud (BDC)’ throughout this document.

Learn about the benefits of migrating your existing Oracle Big Data Cloud (BDC) to Cloudera on Oracle Cloud Infrastructure (OCI) IaaS, as well as walking through the migration process.


Migrating from Big Data Cloud to Cloudera on Oracle Cloud Infrastructure means moving from a managed service (BDC) to a self-managed (OCI) deployment of Cloudera. This means the customer is responsible for all elements of cluster management, security, configuration, and deployment health. Migrating to OCI is done in several steps:


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In this Document
 Why Migrate to Oracle Cloud Infrastructure
 About Oracle Cloud Infrastructure
 Migration Scope
 Migrating to Cloudera on Oracle Cloud Infrastructure
 Migration Caveats
 Overview of migration process
 Preparing for BDC export
 Artifacts to export
 Preparing for OCI Import
 Export data from HDFS on BDC 
 Export data from OCI-C object store
 Install rclone
 Configure OCI-C Object Store as source for rclone
 Configure rclone using environment variables
 Configure OCI Object Store as target for rclone 
 Infer Namespace and region for Object store
 Generate Endpoint 
 Configure rclone using environment variables 
 Verify rclone source and target configurations
 Export hive metadata, Zeppelin notebooks, service configuration & versions from BDC
 Stop Hive, Zeppelin services
 Prepare to run export script
 Execute export script
 Start Hive, Zeppelin services 
 Exported tar content
 Deploy Cloudera on OCI IaaS
 Migration Performance Considerations
 Cloudera Deployment on OCI
 Migrating HDFS Data from OCI Object Storage to HDFS in Cloudera
 Migrating BDC Metadata to OCI

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