Differences between DFSClient and File System in HDFS

Question

What is the difference between the DFSClient protocol and the FileSystem class in Hadoop DFS (HDFS). Both of these classes are used to connect the remote client to the namenode in HDFS. So, I wanted to know the advantages of one over the other and which is suitable for connecting a remote client.

Answer 1

FileSystem is an abstract class for managing files. There are several implementations of the FileSystem class, for example FTPFileSystem . Using the FileSystem API, it’s easy to switch between different file systems.

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