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Scaling Big Data with Hadoop and Solr by Hrishikesh Karambelkar

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Installing and running Hadoop

Installing Hadoop is a straightforward job with a default setup, but as we go on customizing the cluster, it gets difficult. Apache Hadoop can be installed in three different setups: namely standalone mode, single node (pseudo-distributed) setup, and fully distributed setup. Local standalone setup is meant for single machine installation. Standalone mode is very useful for debugging purpose. The other two types of setup are shown in the following diagram:

Installing and running Hadoop

In pseudo-distributed setup of Hadoop, Hadoop is installed on a single machine; this is mainly for development purpose. In this setup, each Hadoop daemon runs as a ...

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