Describe the function of HDFS daemons

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Originally published at: http://itversity.com/topic/describe-the-function-of-hdfs-daemons/

Introduction Following are the HDFS Daemons Datanode (Stores data in the form of files) Files will be divided into blocks Blocks will be stored physically Blocks are typically distributed on multiple nodes in the cluster Blocks are also cloned into multiple copies Namenode (In memory representation of HDFS file metadata) Each file will have metadata…

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