Replication factor property is globally set in hdfs-site.xml, the default value is 3. The replication factor for the data stored in the HDFS can be modified by using the below command, Hadoop fs -setrep -R 5 / Here replication factor is changed to 5 using –setrep command. We can define the replication factor for a file or directory or an entire system by specifying the file or directory or an entire system in the above command File: hadoop fs –setrep –w 3 /my/file Directory: hadoop fs –setrep –w 3 -R /my/dir ... View more