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What is Big Data?

 Big Data is..   The world is increasingly becoming a digital space! Today, we manage, share and store our lives online. Data is gathered from our devices like computers, smartphones that collect and transmit information on what we do. But that is just the beginning;...

Understanding block storage in HDFS

Understanding block storage in HDFS   Here we are going to discuss HDFS storage. HDFS files are broken down into blocks in the underlying storage. By block, we mean the smallest unit that can be stored in a file system. In HDFS, the default block size is 64 MB and...

The Three Vs of Big Data – Volume, Velocity and Variety

The Three Vs  – Volume, Velocity and Variety   Big Data is becoming a popular term these days; the term is being used to describe the exponential growth and availability of data, which includes both structured and unstructured data. Big Data is important for the...

The Name Node in HDFS

The Name Node    In Hadoop we have the concept of masters and slaves; basically it is one master and many slaves. There is no limit to the number of slaves the master can handle and there is no need to maintain any specific ratio between the master and slaves as well....

Relational databases Vs Hadoop

Relational databases Vs Hadoop   As more and more data becomes available, companies and organizations want to embark on Big Data projects but they are running into limits on using relational databases. What are those limits? Scalability: Many companies have projects...

Motivation behind creation of Hadoop

Behind creation of Hadoop   A good working definition of Hadoop is it is a framework of tools, libraries, and methodologies. Another thing that we need to understand about Hadoop is it is an open source package which means that no one can control the source code and...