[machine1] ~ > df -kh /export/hdfs/ Filesystem Size Used Avail Use% Mounted on fuse 4.1P 642T 3.5P 21% /export/hdfs [machine1] ~ > ls /export/hdfs/ home tmp Trash user usr var These projects (enumerated below) allow HDFS to be mounted (on most flavors of Unix) as a standard file system using the mount command. Once mounted, the user can operate on an instance of hdfs using standard Unix utilities
Simple Example to Read and Write files from Hadoop DFS Reading from and writing to Hadoop DFS is no different from how it is done with other file systems. The example HadoopDFSFileReadWrite.java reads a file from HDFS and writes it to another file on HDFS (copy command). Hadoop FileSystem API describes the methods available to user. Let us walk through the code to understand how it is done. Before
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