Why NoSQL became MORE SQL
One of the key points I raised was about how many folks were just slapping on Big Data badges to the same old same old, another was that Map Reduce really doesn't work they way traditional IT estates behave which ...
Hadoop admin interview questions
Which operating system(s) are supported for production Hadoop deployment?
The main supported operating system is Linux. However, with some additional software Hadoop can be deployed on Windows.
What is the role of the namenode?
The namenode is the "brain" of the Hadoop cluster ...
How to learn Hadoop like a boss
Big data is reshaping the landscape of business IT. Thanks to cheap storage, the massive processing power of the latest technology, and tools like Hadoop, organisations are now able to mine terabytes of information and derive useful business intelligence from ...
Java and Analytics the next frontier
I've been pretty verbal about Java going down the wrong path and my view that what Java should do is start having a 'core' which is just the real basics of the VM and the language and then a few ...
Vital Hadoop tools for crunching Big Data
Today, the most popularly term in IT world is ‘Hadoop’. Within a short span of time, Hadoop has grown massively and has proved to be useful for a large collection of diverse projects. The Hadoop community is fast evolving and ...
Hadoop Cluster Interview Questions
Which are the three modes in which Hadoop can be run?
The three modes in which Hadoop can be run are:
1. standalone (local) mode
2. Pseudo-distributed mode
3. Fully distributed mode
What are the features of Stand alone (local) mode?
In stand-alone mode there are ...
Hadoop Resources
History of Hadoop
Spotlight on the early history of Hadoop
The history of Hadoop: From 4 nodes to the future of data
Big Ideas: Demystifying Hadoop
What is MapReduce?
"Cluster Computing and MapReduce Lecture" series in YouTube
http://www.youtube.com/watch?v=yjPBkvYh-ss
http://www.youtube.com/watch?v=-vD6PUdf3Js
http://www.youtube.com/watch?v=5Eib_H_zCEY
http://www.youtube.com/watch?v=1ZDybXl212Q
http://www.youtube.com/watch?v=BT-piFBP4fE
http://labs.google.com/papers/mapreduce.html
http://code.google.com/edu/parallel/mapreduce-tutorial.htmlÂ
What is Hadoop?
http://radar.oreilly.com/2012/02/what-is-apache-hadoop.html
http://gigaom.com/cloud/what-it-really-means-when-someone-says-hadoop
http://www.ibm.com/developerworks/data/library/techarticle/dm-1209hadoopbigdata/
What is HDFS?
The paper covers most of ...
Use Cases Of MongoDB
MongoDB is a relatively new contender in the data storage circle compared to giant like Oracle and IBM DB2, but it has gained huge popularity with their distributed key value store, MapReduce calculation capability and document oriented NoSQL features.
MongoDB has ...
Introduction to Impala
Impala in terms of Hadoop has got the significance because of its,
Scalability
Flexibility
Efficiency
What’s Impala?
Impala is…
Interactive SQL–Impala is typically 5 to 65 times faster than Hive as it minimized the response time to just seconds, not minutes.
Nearly ANSI-92 standard and compatible with ...
Free Cloudera Impala Book
Get free Cloudera Impala, in PDF format, for free from the Cloudera website, in association with the Strata Conference and Hadoop World. See the below link for the book info from the publisher as well as the link to download ...