Hadoop360

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Guest post by Kumar Chinnakali

Big Data is problem statement and it can be solved with one of the tools like Apache Hadoop. But having…

Does Apache Tez run slower than hive on larger dataset (~2.5 TB)?

We have started to look into testing tez query engine. From initial results, we are getting 30% performance boost over Hive on smaller data set(1-10 GB) but Hive starts to perform better than Tez as data size increases. Like when we run a…

VIDEO: Aster On Hadoop - Introduction and Demo

Guest post by John Thuma

Please watch my new video on Aster on Hadoop and get a simple demonstration of how easy it is to perform advanced analytics…

How Uber Uses Spark

Originally posted on …

What is Map-Reduce?

Very funny picture to explain what it is!…

Big Data and Hadoop tutorial

This is Part 1 of 10 Module Big Data and Hadoop course. The 3hr Interactive live class covers What…

Block tolerant web scraper on AWS

Guest post by Vincent Granville

About Tales…

MapReduce Design Patterns - Application of Join Patterns

Guest post by Durgesh Kaushik

Design Patterns are problem specific templates developers have perfected over the years for writing correct…

Did I create a new NoSQL database environment?

When I analyze datasets for clients (say Internet click logfiles), I typically write a Perl script, summarize click log data into a "fact" table stored in memory - actually stored as an hash table - with a number of auxiliary lookup tables also…

Which one is best: R, SAS or Python, for data science?

Guest forum post by Mirko Krivanek

This is of course the wrong question. I use R because I'm familiar with it, more than SAS or…

SQL to NoSQL translator

Guest blog post by Vincent Granville

Is there any software that converts an SQL script into NoSQL? What are the drawbacks and…

Deploy Hadoop Cluster

Guest Forum post by Rahul Patodi

Step by Step Tutorial to Deploy Hadoop Cluster (fully distributed…