Posted on December 2, 2014December 3, 2014 by Ambrish Choudhary and Pushpinder Singh

Experience with Impala and PrestoDB

New SQL on Hadoop implementations are available for big data processing. While working on a large data problems, we decided to pick up Impala and Presto to see what do they offer. While both the implementations Read More[...]

Posted on August 29, 2014September 11, 2014 by Harmandeep Singh

Is your Hive Query really optimized? Is it a contender for parallel execution?

Whether you have been working on traditional SQL based solutions for years or an individual who has just started his/her career, while learning HIVE, writing optimized queries is an art must learn. Here Read More[...]

Posted on May 28, 2014May 28, 2014 by admin

Returning & Using Multiple Values from a HIVE UDF

One of the typical problems faced while implementing User Defined Functions (UDF) in HIVE is - How to return multiple values from it, and how to use the multiple values (columns) in the HIVE select statement. In Read More[...]

Posted on January 30, 2013January 30, 2013 by Sukhjot Singh

HDInsight: Installation on Windows platform

Guide for starting with HDInsight on windows Installing HDInsight on windows: HDInsight installer is powered by Microsoft Web Platform Installer. To download it you can use the following link: http://www.microsoft.com/web/gallery/install.aspx?appid=HDINSIGHT-PREVIEW After Read More[...]

Posted on December 11, 2012November 7, 2013 by avinash

Step by step guide for installing and configuring CDH4 Cloudera Hadoop

Editor’s warning: This post is long, but worth it! This blog is a step by step installation and configuration Guide of CDH4 Cloudera Hadoop This blog summarizes the whole process and you can any time Read More[...]

Posted on August 7, 2012August 7, 2012 by dheerajsharma

Query HIVE on Hadoop on Azure (HOA) using C#

Hive is an open-source data warehousing solution built on top of Hadoop. It supports queries expressed in SQL like declarative language – HiveQL, which are compiled into map-reduce jobs that are executed Read More[...]