![]() | Except where otherwise noted, this document is licensed under Creative Commons Attribution ShareAlike 3.0 License |
Hortonworks Data Platform (HDP) and any of its components are not anticipated to be combined with any hardware, software or data, except as expressly recommended in this documentation.
Unlike other providers of platforms built using Apache Hadoop, Hortonworks contributes 100% of our code back to the Apache Software Foundation. The Hortonworks Data Platform is Apache-licensed and completely open source. We sell only expert technical support, training and partner-enablement services. All of our technology is, and will remain, free and open source.
Please visit the Hortonworks Data Platform page for more information on Hortonworks technology. For more information on Hortonworks services, please visit either the Support or Training page. Feel free to contact us directly to discuss your specific needs.
Contents
- 1. Overview
- 2. Preparation
- 3. Upgrading the Cluster
- 1. Upgrade Zookeeper
- 2. Upgrade Ranger
- 3. Upgrade core-cluster master processes
- 3.1. Upgrade HDFS JournalNodes
- 3.2. Upgrade the HDFS NameNode HA Process Pair
- 3.3. Upgrade the MapReduce JobHistoryServer
- 3.4. Upgrade the YARN Timeline Service
- 3.5. Upgrade the YARN ResourceManager process or HA process pair
- 3.6. Upgrade HBase Master(s)
- 3.7. Upgrade the HBase REST server
- 3.8. Upgrade the HBase Thrift server
- 4. Upgrade core slave nodes (HDFS, YARN, HBase)
- 5. Upgrade non-core cluster components
- 6. Upgrade Knox
- 7. Upgrade components outside of the cluster
- 8. Upgrade Slider
- 9. Upgrade clients on cluster (core and non-core) components
- 10. Finalize the rolling upgrade process
- 4. Downgrading the Cluster
- 1. Downgrade clients on cluster components
- 2. Downgrade Slider
- 3. Downgrade components outside of the cluster
- 4. Downgrade Knox
- 5. Downgrade non-core cluster components
- 6. Downgrade core slave nodes
- 7. Downgrade core-cluster master processes
- 7.1. Downgrade the HBase Thrift server
- 7.2. Downgrade HBase REST Server
- 7.3. Downgrade HBase Master(s)
- 7.4. Downgrade the YARN ResourceManager process or HA process pair
- 7.5. Downgrade the YARN Timeline Service
- 7.6. Downgrade the MapReduce JobHistoryServer
- 7.7. Downgrade the HDFS NameNode HA Process Pair
- 7.8. Downgrade HDFS JournalNode(s)
- 7.9. Validation
- 8. Downgrade Ranger
- 9. Downgrade Zookeeper
- 5. Initiating Rollback
- 6. Appendix A
- 7. Appendix B
List of Tables
- 6.1. Validation Links