This is documentation for MapR Version 5.0. You can also refer to MapR documentation for the latest release.

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This guide describes the process of upgrading the MapR cluster. 

 When you upgrade the MapR cluster, you may need to upgrade one or more of the following components:

  • MapR Core
  • Ecosystem Components
  • MapR Client

See the MapR Core Upgrade Process for information on what is upgraded when you upgrade MapR Core and how it impacts your cluster configuration.

Upgrade Steps

Upgrading the MapR cluster consists of the following steps: 

  1. Planning the Upgrade – Determine the upgrade method, when to upgrade, and whether ecosystem components or MapR clients need to be upgrade along with MapR Core.
  2. Preparing to Upgrade – Prepare the cluster for upgrade while it is still operational. 
  3. Upgrading the Cluster
  4. Upgrading MapR Clients – Perform steps to upgrade the MapR client.

 

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Throughout this guide we use the terms existing version to mean the MapR version you are upgrading from, and new version to mean a later version you are upgrading to.
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