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Category Archive for: "Big Data"
In Big Data, Blog, Community, Hadoop, Technology Posted

Safe Mode for Name Node

HDFS is a distributed file-system with a master-slave architecture, in which the NameNode is a master process while DataNodes are slave processes. A NameNode stores only the metadata about the file system while the DataNodes store the actual data. If the client needs to perform any file operations like read, delete, create etc. then the […]
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In Architecture, Big Data, Blog, Community, Hadoop Posted

Flume

Because of its cost effective way of storing data and analyzing it, Hadoop has become the backbone of every Enterprise Big Data System. But to store data, we must first bring the data from the source to Hadoop. The framework that helps solve this issue is Apache Flume. Apache Flume is a distributed, reliable, and […]
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