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Polybase Question - HDP 2.5

  • March 20, 2017 at 9:33 pm

    #336162

    Not sure where to ask this, i am try to do some POC on polybase. I was able to set up HDP 2.5 on a Hyper-v. I am having really hard time trying to find "configuration key in yarn.application.classpath " in HDP 2.5. If anyone has successfully tested Polybase with push down processing on Hadoop please let me know.

  • October 31, 2017 at 12:07 am

    #1965891

    Hi,

    On the Hadoop machine, find the analogous file in the Hadoop configuration directory. In the file, find and copy the value of the configuration key yarn.application.classpath.

    Below document will guide you to enable pushdown .
    http://blog.pragmaticworks.com/sql-server-2016-polybase.

    Class Path can have multiple comma seperate values ,copy all of them from hadoop class path and paste at SQL yarn.site.xml file
    eg: yarn.application.classpath=$HADOOP_CLIENT_CONF_DIR,$HADOOP_CONF_DIR,$HADOOP_COMMON_HOME/*

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