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Tag Archives: Hadoop

Most of us are familiar with the term Rack. The rack is a physical collection of nodes in our Hadoop cluster (maybe 30 to 40).… Read More
The Journey of Hadoop Started in 2005 by Doug Cutting and Mike Cafarella. Which is an open-source software build for dealing with the large size… Read More
Hadoop copyFromLocal command is used to copy the file from your local file system to the HDFS(Hadoop Distributed File System). copyFromLocal command has an optional… Read More
As we all know Hadoop is a framework written in Java that utilizes a large cluster of commodity hardware to maintain and store big size… Read More
Big Data has become necessary as industries are growing, the goal is to congregate information and finding hidden facts behind the data. Data defines how… Read More
As we all know Hadoop is an open-source framework which is mainly used for storage purpose and maintaining and analyzing a large amount of data… Read More
Hadoop Cluster is stated as a combined group of unconventional units. These units are in a connected with a dedicated server which is used for… Read More
RDMS (Relational Database Management System): RDBMS is an information management system, which is based on a data model.In RDBMS tables are used for information storage.… Read More
Application master changes the status for the job to “successful” when it receives a notification that the last task for a job is complete. Then… Read More
MapReduce can be used to work with a solitary method call: submit() on a Job object (you can likewise call waitForCompletion(), which presents the activity… Read More
Resource manager hands off the request to the YARN scheduler when it receives a call to its submitApplication() method. The resource manager launches the application… Read More
Once the resource manager’s scheduler assign a resources to the task for a container on a particular node, the container is started up by the… Read More
To understand how to work with Unix, data – Weather Dataset is used. Weather sensors gather information consistently at numerous areas over the globe and… Read More
Basic Issue with the data In spite of the fact that the capacity limits of hard drives have expanded enormously throughout the years, get to… Read More
Unstructured data is the data which does not conforms to a data model and has no easily identifiable structure such that it can not be… Read More