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 ...
6 things to make your Big Data project succeed
Some things that you can do to actually make the Big Data project you take on succeed. Ā The first thing you need to do is stop trying to make 'Big Data' succeed and instead start focusing on how you educate ...
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 ...
Integrating Hadoop into Business Intelligence and Data Warehousing
Information from SAS and TDWI Research
The purpose of this report is to accelerate usersā understanding of the many new products and practices based on Hadoop technologies that have emerged in recent years. While Hadoop usage is a minority practice today, ...
Things to Learn in R
By Joshua Burkhow
You up for learning something new? or maybe like me want to ādoā statistics? If you are looking to do data analysis then R is a great tool/language to learn.
What is R?
R is a system for statistical ...
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 āHadoopā. 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 ...
Bloom Filters in HBase and Chrome
Bloom Filters allows to efficiently check if a particular element/record is there in the set/table or not. It has very minimal impact on the insert operations. The only caveat is that it might return a false positive, Bloom filter might ...
16 Top Big Data Analytics Platforms
Revolutionary. That pretty much describes the data analysis time in which we live. Businesses grapple with huge quantities and varieties of data on one hand, and ever-faster expectations for analysis on the other. The vendor community is responding by providing ...