What is HDFS (Hadoop Distributed File System)? HDFS stands for Hadoop Distributed File System. It is the file system of the Hadoop framework. It was designed to store and manage huge volumes of dat
Hadoop Introduction Hadoop is an open source big data framework developed by Doug Cutting in the year 2006. It is managed by the Apache Software Foundation. The project was named after Hadoop, a ye
What is Secondary Name Node? Role of Secondary Namenode in Managing the Filesystem Metadata.Each and every transaction that occurs on the file system is recorded within the edit log file. At
Big Data: Traditional Method For Storing and Processing How does it work?1) The data generated out of the organizations, financial institutions such as banks or stock markets and the hospitals is
Big Data Definition Big Data refers to a huge volume of data that cannot be stored or processed using the traditional approach within the given time frame. What are the characteristics
What are the main key features of Hadoop?Top 8 features of Hadoop are: Cost Effective System Large Cluster of Nodes Parallel Processing Distributed Data Automatic Failover Management Data Locality Opt
Writing data to Hadoop HDFSLet us understand the process with an example :-1) For example, to write a file named ‘data.txt’ within the /user/Hadoop folder. data.txt ----> /user/hadoop2)
The Hadoop framework comprises of the Hadoop Distributed File System (HDFS) and the MapReduce framework. It divides the data into smaller chunks and stores each part of the data on a separate node wit