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Monthly Archive for: "May, 2014"
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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