In this article we will learn the basic and mostly used Hadoop File System Commands. The File System (FS) shell commands interact with the Hadoop Distributed File System (HDFS). Most of the commands in FS shell behave like corresponding Unix commands.

In this article we will learn how to perform quick analysis on Unstructured data using Hadoop & Hive. In this case we have a huge PHP Error Log file. What we want here is to parse the log file and get meaningful analytics from the error log. For example we want to understand which webpages are encountering the frequent PHP Errors, types of PHP Issue encountered (Warning, Notice, Error etc.). So lets see how easy it is, to get the answers to our questions, when we have HADOOP & HIVE in our toolbox.

Do you know the answer?

Which of the following is not a database?

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