MapR: MapR Installation

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The MapR quick installer automates the process of configuring a Hadoop cluster and installing MapR software based on node type. You can install the MapR distribution for Hadoop on a set of nodes from any machine that can connect to the nodes. Using the quick installer, you can configure each node in a MapR cluster as one of the following types:

  • Control Node: Control nodes manage the operation of the cluster. Control nodes host the ZooKeeper, CLDB, JobTracker, ResourceManager, and Webserver services. One control node also hosts the HistoryServer.
  • Data Nodes: Data nodes host the NodeManager, TaskTracker, and FileServer services. These nodes store data, run YARN applications and MapReduce jobs, and process table data.
  • Control-as-Data Nodes: Control-as-data nodes combine control and data node functionality. This node type is appropriate for small clusters.
  • Client Nodes: Client nodes provide controlled user access to the cluster.
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