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HBase Administration Cookbook by Yifeng Jiang

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Setting up HBase

A fully distributed HBase instance has one or more master nodes (HMaster), and many slave nodes (RegionServer) running on HDFS. It uses a reliable ZooKeeper ensemble to coordinate all the components of the cluster, including masters, slaves, and clients.

It's not necessary to run HMaster on the same server of HDFS NameNode, but, for a small cluster, it's typical to have them run on the same server, just for ease of management. RegionServers are usually configured to run on servers of HDFS DataNode. Running RegionServer on the DataNode server has the advantage of data locality too. Eventually, DataNode running on the same server, will have a copy on it of all the data that RegionServer requires.

This recipe describes the setup ...

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