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Hadoop > Learn Hadoop > How do I understand the record layout of a file (structured...
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How do I understand the record layout of a file (structured data) in Hadoop HDFS, if no layout was provided and person who loaded the data into HDFS left?

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Vertica stores data in storage locations on HDFS similarly to the way it stores data in the Linux file system. See Managing Storage Locations in the Administrator's Guide for more information about storage locations. When you create a storage location on HDFS, Vertica stores the ROS containers holding...
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Vertica stores data in storage locations on HDFS similarly to the way it stores data in the Linux file system. See Managing Storage Locations in the Administrator's Guide for more information about storage locations. When you create a storage location on HDFS, Vertica stores the ROS containers holding its data on HDFS. You can choose which data uses the HDFS storage location: from the data for just a single table or partition to all of the database's data. read less
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could you explain your question in more details. As your question is not clear. Do you want to understand what structured and unstructured means or how to determine if the data extracted is of what type. plz respond with clear question . i will be happy to help. Like my page join me https://www.fac...
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could you explain your question in more details. As your question is not clear. Do you want to understand what structured and unstructured means or how to determine if the data extracted is of what type. plz respond with clear question . i will be happy to help. Like my page join me https://www.facebook.com/heuristicladder/ read less
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