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 2. Upgrade Hadoop

  1. On all nodes, clean the yum repository.

    • For RHEL/CentOS: 

      yum clean all

    • For SLES: 

      zypper clean -a

  2. Upgrade Hadoop

    • For RHEL/CentOS/Oracle Linux: 

      yum upgrade hadoop*

    • For SLES: 

      zypper up hadoop* hadoop-hdfs hadoop-lzo hadoop-mapreduce hadoop-yarn

  3. Verify HDP 2.1 packages have installed successfully.

    • For RHEL/CentOS/Oracle Linux: 

      yum list hadoop*|grep HDP-2

    • For SLES: 

      zypper pa|grep HDP-2

      Verify that you have HDP 2.1 installed: 

      hadoop version

      You may need to add /etc/hadoop/conf/hadoop-env.sh in /usr/bin/hadoop for $JAVA_HOME.

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