What is Hadoop – An Introduction to Big Data Hadoop
Hadoop was created out of necessity as the data from web exploded and ramped high beyond the ability to store in traditional systems. Hadoop is a open source software which enables processing of large set of data by distributing them among various systems and various locations. Hadoop is capable of handling not only of storing, processing & analyzing of hundreds of terabytes of data ,but it can even handle petabytes of data generated. Hadoop introduced a new method of storing, processing and analyzing data in cloud rather than relying on hardware & physical systems. In short we can say, NO DATA is BIG for HADOOP to handle. So Hadoop helps major organizations to find meaningful data out of terabytes of data which was considered useless previously Key Components in Hadoop:Hadoop Common: This module contain basic & common utilities used by other modules in Hadoop
Hadoop Distributed File System (HDFS): A distributed File system which provide access to application data. It spans across all the nodes in the Hadoop cluster and links together to make them a big file systems. Hadoop Yarn: Yet Another Resource Navigator. It assigns the storage space, CPU to all the applications running on the Hadoop cluster. This module of Hadoop acts as a Scheduler. Hadoop MapReduce: A YARN based distributed processing for large set of data. Benefits of Hadoop:Meaning Data from All type of Source : The main benefit of Hadoop is its capability to analyse all kinds of data – structured,unstructured, image, audio, video etc from any sources like drivers, tab, laptop, desktop regardless of it native format. Eventhough different unrelated data are stored; Hadoop can fetch meaningful insights from this raw data and can help organizations with valuable analytics. Data Available forever: Rather than storing large set of data in multiple server which is an expensive and complicated mode of data storage, it is made easy with Hadoop because the entire set of data is stored online. Storing data online not only make it inexpensive but it make the data available for retrieval anytime even after multiple decades. Hadoop – Helping Hand for Enterprises: Data grows rapidly these days and about 90% of these data generated are surveyed to be unstructured data. These unstructured data is no way helpful for any enterprise. This is an era of HADOOP and its time for enterprises to give thought for better data storage & analytics. Hadoop can put right data in right systems and can help enterprises to grow their business using this data.
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