How one can change Replication factor when Data is already stored in HDFS

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How one can change Replication factor when Data is already stored in HDFS..

Answer / Satya Prakash

To change the replication factor of a file that already exists in HDFS, you can use the following command: n$ hadoop dfs -setrep -w <number_of_replicas> /path/to/your/file

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