Hadoop Interview Questions – MapReduce
Looking out for Hadoop Interview Questions that are frequently asked by employers?
What is MapReduce?
It is a framework or a programming model that is used for processing large data sets over clusters of computers using distributed programming.
What are 'maps' and 'reduces'?
'Maps' ...
YARN and MapReduce 2.0 elevates big data Hadoop and scheduled processing
Are you ready to take advantage of the multi-application functionality of Hadoop with MapReduce 2.0, or as it is more affectionately known, YARN? According to Arun Murthy, a big-data architect and a co-founder of Hortonworks, YARN substantially improves the functionality ...
Big Data In 2014-6 Bold Predictions
How will big data evolve in 2014? The future is anyone's guess, of course, but we thought we'd compile a tasty holiday assortment of prognostications from executives working in the big data trenches. So without further delay, here they are ...
Apache Spark for Big Analytics
by Thomas Dinsmore, Director of Product Management at Revolution Analytics
The emergence of Apache Spark is a key development for Big Analytics in 2013.Ā Ā Spark, an Apache incubator project, is an open source distributed computing framework for advanced analytics in Hadoop.Ā ...
The 3 most common ways data junkies are using Hadoop
Just a few weeks ago, Apache Hadoop 2.0 was declared generally availableāa huge milestone for the Hadoop market as it unlocks the vision of interacting with stored data in unprecedented ways. Hadoop remains the typical underpinning technology of āBig Data,ā ...
7 Big Data Trends for 2014
As the year 2013 is almost over, it is good to have a look back at the trends that I discussed for 2013 and look forward to the Big Data trends of 2014. It can be said that 2013 was ...
The secrets of designing and building big data apps
Software applications have traditionally been perceived as a unit of computation designed and used to solve a problem. Whether an application is a CRM tool that helps manage customer information or a complex supply-chain management system, the problem it solves ...
Big Data and the Role of Intuition
Many people have asked me over the years about whether intuition has a role in the analytics and data-driven organization. I have always reassured them that there are plenty of places where intuition is still relevant. For example, a hypothesis ...
Why Santa needs Big Data
Now, Hadoop! Now, SQL! Now, NOSQL, and Opensource! On, Cloud technology! On, Apps! On, SaaS, and Infrastructure!
Back in the days before databases, automated production lines, and GPS, one man had one of the best, if not THE best system in ...
A Quick Guide To Choosing The Right Way To Use Hadoop
By Dan Woods, The market for Hadoop and related products is one of the most active in all of enterprise software. Iāve developed a simple framework that can help quickly explain the differences in the way Hadoop distributions are created ...