How to Install and Configure Apache Hadoop on a Single Node in CentOS 7

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Matei Cezar

I'am a computer addicted guy, a fan of open source and linux based system software, have about 4 years experience with Linux distributions desktop, servers and bash scripting.

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5 Responses

  1. Rvd says:

    Hi Metai

    Nice how to and I have a suggestion , we have to edit yarn-site.xml and add this

    yarn.nodemanager.aux-services.mapreduce.shuffle.class
    org.apache.hadoop.mapred.ShuffleHandler

    yarn.resourcemanager.resource-tracker.address
    hmaster:8025

    yarn.resourcemanager.scheduler.address
    hmaster:8030

    yarn.resourcemanager.address
    hmaster:8050

    Else we will get the following error

    STARTUP_MSG: java = 1.8.0_101
    ************************************************************/
    16/09/12 14:00:46 INFO namenode.NameNode: registered UNIX signal handlers for [TERM, HUP, INT]
    16/09/12 14:00:46 INFO namenode.NameNode: createNameNode [-format]
    16/09/12 14:00:47 WARN conf.Configuration: bad conf file: element not
    16/09/12 14:00:47 WARN conf.Configuration: bad conf file: element not
    16/09/12 14:00:47 WARN conf.Configuration: bad conf file: element not
    16/09/12 14:00:47 WARN conf.Configuration: bad conf file: element not

    Also I required hive installation steps like this fantastic how to

  2. Mokuteno says:

    It’s really helpful, thanks!

  3. David says:

    Now automate it in an Ansible role and publish it on Galaxy. Then nobody needs to do this manually anymore.

    • Ravi Saive says:

      @David,

      I totally agree with you and its saves so much of time, but I think only experts can able to automate it in Ansible, a newbie can’t….

  4. helloworld says:

    thanks , super tutorial

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