@Saurab Dahal - As in the other answers the change in hdfs-site.xml will only affect the newly created files with the new replication factor. If you want to change replication factor for already existing files. You can run the hdfs cli commands like below: hdfs dfs -setrep -w 1 /myfile hdfs dfs -setrep -w 1 /mydir Hope this helps ! ... View more