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 6. Upgrade WebHCat (Templeton)

  1. Remove old Templeton packages. On the Templeton host machine, execute the following commands:

    • For RHEL/CentOS: 

      yum remove templeton\*

    • For SLES: 

      zypper remove templeton\*

  2. Install WebHCat.

    • For RHEL/CentOS: 

      yum install webhcat-tar-hive webhcat-tar-pig

    • For SLES: 

      zypper install webhcat-tar-hive webhcat-tar-pig

    Also see the instructions on manually deploying WebHCat instance provided here.

  3. Start WebHCat. On the WebHCat host machine, execute the following command: 

    sudo su -l $WEBHCAT_USER -c "/usr/lib/hcatalog/sbin/webhcat_server.sh start"

  4. Smoke test WebHCat. On the WebHCat host machine, execute the following command: 

     http://$WEBHCAT_HOST_MACHINE:50111/templeton/v1/status

  5. Remove shared libraries from old Templeton installation. On the WebHCat host machine, execute the following command: 

    sudo su -l $HDFS_USER -c "hadoop dfs -rmr -skipTrash /apps/templeton"
rm -rf /usr/share/HDP-templeton

    where

    • $WEBHCAT_USER is the WebHCat Service user. For example, hcat.

    • $HDFS_USER is the HDFS Service user. For example, hdfs.

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