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' ...
5 Steps To Master Big Data and Predictive Analytics
As recently as the past two years, one of the seminal issues regarding Big Data was storage, especially with respect to the exponential growth and size of unstructured data that did not fit into databases (e.g., video feeds, PowerPoint presentations). ...
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 ...
5 lessons we learned about data science in 2013
Most people know what marketing executives do every day. They try to catch peopleās attention through email, ads, tweets, and press releases. As for data scientists, well, their work is not nearly as well understood.
Thatās been slowly changing this year ...
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 ...
Big Data 2.0-the next generation of Big Data
In the last few years we have seen Big Data generate a lot of buzz along with the launch of several successful big data products.Ā The big data ecosystem has now reached a tipping point where the basic infrastructural capabilities ...
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 ...
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 ...