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.
SDN and NFV is the next phase of technology change which will help service provider to launch the services in single click. This is all about the programmability of the networks by using open source software defined network controller.
Wednesday, November 14, 2012
Hadoop Cluster - File Read Function
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