Hadoop Tutorial
HDFS (Hadoop Distributed File System) Daemons
What is HDFS (Hadoop Distributed File System)? HDFS stands for Hadoop Distributed File System. It is the file system of the Hadoop framework. It wa ...
What is Hadoop?
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 Fo ...
Secondary NameNode in Hadoop
What is Secondary Name Node? Role of Secondary Namenode in Managing the Filesystem Metadata.Each and every transaction that occurs on the fi ...
Big Data Storage and Processing: Traditional Technology
Big Data: Traditional Method For Storing and Processing How does it work?1) The data generated out of the organizations, financial institutions s ...
What is Big Data?
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 tim ...
Key Features of Hadoop
What are the main key features of Hadoop?Top 8 features of Hadoop are: Cost Effective System Large Cluster of Nodes Parallel Processing Distributed Da ...
Writing data to HDFS (Hadoop Distributed File System)
Writing data to Hadoop HDFSLet us understand the process with an example :-1) For example, to write a file named ‘data.txt’ within the /us ...
How does Hadoop works?
The Hadoop framework comprises of the Hadoop Distributed File System (HDFS) and the MapReduce framework. It divides the data into smaller chunks and s ...
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