The word Hadoop buzzing to the latest technology delivered in the corporate world. The most related technology
used for Big Data is Hadoop. Learning Hadoop makes earn better growth in your career. Hadoop is free Java-based
programming application tool. It will support the big amount of data sets by using easy programs.
Hadoop is one of the developing programmers. It belongs to the Apache project delivered by Apache Software Foundation.
It is also used for web business like Yahoo, Google, Facebook ex.... Hadoop is very flexible, robust and efficient.
When compared to other technologies of Application.
Classifications of Hadoop:
Hadoop has four parts:
1. HDFS (Hadoop Distributed File System)
2.Hadoop Map Reduce
3.Hadoop General
4.Hadoop YARN (Yet another Resource Negotiator)
Hadoop Distributed File System (HDFS) is a virtual file system. If you are moving a file in HDFS that will split
into lots of Small files which warehouses on different servers.Map reduces Plays Major role when compared to HDFS.
Hadoop Map Reduce is the Java-based system tool used to work with the data itself. This tool used for data processing
and makes the people get more interest working on it.
The main function of Map Reduce is to run of jobs based on Java application. That processes the data and pulls out the
needed information. Map Reduce is complex but instead of a query, it gives a lot of power and flexibility.
In general, Hadoop is not a database. Hadoop is more of a data warehousing system with no queries involved. So, it uses
a system like Map-Reduce to process the data.
The importance of Hadoop:
Now a day’s run on, daily million of pictures, videos and many more things posted on the Internet via... so many websites
like Facebook, YouTube, etc... To handle big amount of data, Hadoop technology has started in the market with a satisfied
price.
Why people go for Hadoop:
Every person wants to have growth in their career along with hikes to their package. At present, the corporate world is showing
more interest in technologies.As most of the big companies, many people interest with latest technologies. The total world is tending
to go for Hadoop to get a better career with a good package.