Big Data Support

This is the team blog for the Big Data Support team at Microsoft. We support HDInsight which is Hadoop running on Windows Azure in the cloud, as well as other big data features.

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  • Blog Post: Oozie sqoop action hits primary key violation

    We have seen multiple customers contact us where an oozie job appears to hang. The oozie job involves a sqoop action which is exporting data from a file in HDInsight to a table in a SQL Azure database. For background on Sqoop see Getting Started with Sqoop . We will use this blog to help understand HDInsight...
  • Blog Post: Structured vs Semi-structured Data

    My name is Bill Carroll and I am a member of the Microsoft HDInsight support team. The majority of my working career has been spent on SQL Server, a relational database. Little did I think about it all these years, but relational databases are structured data. When we create a table we define the structure...
  • Blog Post: How to manually compile and create your own jar file to execute on HDInsight

    Hi, my name is Bill Carroll and I am a member of the Microsoft HDInsight support team. At the heart of Hadoop is the MapReduce paradigm. Knowing how to compile your java code and create your own jar file is a useful skill, especially for those coming from the C++ or .Net programming world. So our goal...
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