Tag: Hadoop Servers

Hadoop Multi Node Clusters

Hadoop Multi Node Clusters

Installing Java Syntax of java version command $ java -version Following output is presented. java version "1.7.0_71" Java(TM) SE Runtime Environment (build 1.7.0_71-b13) Java HotSpot(TM) Client VM (build 25.0-b02, mixed mode) Creating User Account System user account on both master and slave systems should be created to use the Hadoop installation. # useradd hadoop # … Continue reading Hadoop Multi Node Clusters

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Hadoop Servers

Client Server Client is neither a master or a slave. Its role here is to store data on hadoop cluster and submit MR jobs with instructions saying how data has to be processed. Also Client can retrieve & view the result after completion of job. Data Storage: Client accesses the file system on behalf of … Continue reading Hadoop Servers