Answers for "The replication factor of a file in HDFS can be changed using"

change replication factor hadoop cluster command

hdfs dfs -setrep -R 2 /user/hdfs/test

change replication factor hadoop cluster command

hdfs dfs -setrep -R 2 /user/hdfs/test

change replication factor hadoop cluster command

-D dfs.replication=1

change replication factor hadoop cluster command

-D dfs.replication=1