Wednesday, November 14, 2012

Hadoop Cluster - File Read Function

Autonomy of Hadoop Write explains how the client writes a file to the Hadoop HDFS Cluster. Once the file is written, it could be used for read only also. In Hadoop, Client sends a request to the name node requesting access a file and name node returns the data node name with the blocks they have. Below is the process how does it work. Here is the beginning of my post.

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