Big Data Hadoop Tutorial

“ With too little data, you won’t be able to make any conclusions that you trust. With loads of data you will find relationships that aren’t real… Big data isn’t about bits, it’s about talent.” – Douglas Merrill. In the Recent Survey report, Hadoop is the one of the  top trending technologies in 2018-2019 .  Also named as the most using  Open source framework. Big data  is helping to controlling, monitoring and evaluating a huge amount of data can over power for business that see the importance of making data-driven decisions. I have explained more about  Hadoop and its career path  in my blog posts, You can read about those with the links below, Understanding Hadoop and its Importance Top Amazing Facts about Big data Hadoop Career path of Hadoop Developer Big data Job Opportunities: You can check here the  Recent Job Opportunities.! Also, Find here the important   Hadoop Tools (FREE PDF)

Top 100 frequently asked & important Hadoop interview questions and answers prepared by experts and practically proven..! To optimize your chances of getting hired, pursue a certification in Hadoop , and prepare ahead of time for those crucial job interview questions.   Look at : Hadoop Topics Free PDF 1. What is Apache Hadoop? Hadoop is an open source software framework for distributed storage and distributed processing of large data sets. Open source means it is freely available and even we can change its source code as per our requirements. Apache Hadoop makes it possible to run applications on the system with thousands of commodity hardware nodes. It’s distributed file system has the provision of rapid data transfer rates among nodes. It also allows the system to continue operating in case of node failure. 2. Main Components of Hadoop? Storage layer – HDFS Batch processing engine – MapReduce Resource Management Layer – YARN HDFS – HDFS (Hadoop D...