Apache Hive is a data warehouse system built on top of Hadoop. Using SQL-like language you can query data stored in the Hadoop filesystem (HDFS). Those queries are then translated into Map Reduce jobs and executed on your cluster.

As an example we’ll analyze tweets from the Twitter Streaming logs and calculate the top 5 hashtags per day which are associated with positive sentiment signals (smileys).

You can imagine how this can be expand this to simple sentiment analysis on your (potential) customer feedback.

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When it comes to distributing Python packages, Python has its own mechanism. The tooling (either easy_install or pip) allows you to install a Python package and its dependencies. Typically, those packages are installed as Python Eggs (Java has Jars, Ruby has Gems and Python has Eggs). However, one can not expect Mac users to use these command line tools to download and install Python applications, especially GUI applications.

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