June 2019
Beginner to intermediate
360 pages
10h 55m
English
Content preview from Big Data Simplified
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Introducing Hadoop | 51
HDFS to manage all the machines and storage spaces in the cluster. It does that by setting up a
master-slave configuration and it will be discussed further as follows.
Within the cluster, one of the machines is designated as the master node. The master node
is responsible for coordinating the storage across all other nodes on the cluster, which are slave
nodes. On this master node, HDFS runs a process, which receives all requests that are made to
the cluster, and forwards it to the slave nodes which contain the data. Let us examine this process
in detail. The master node is called the NameNode. All other machines in the ...
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