SetFileReplication Method
Sets the replication factor for a file.
Syntax
hadoopdfs.setFileReplication(filePath, replication, [callback])
Callback
The 'callback' parameter specifies a function which will be called when the operation completes (or an error is encountered). If the 'callback' parameter is not specified, then the method will block and will not return until the operation completes (or an error is encountered).
The callback for this method is defined as:
function(err){ }
'err' is the error that occurred. If there was no error, then 'err' is 'null'.
'err' has 2 properties which hold detailed information:
err.code err.message
Remarks
This method sets the replication factor for the file at FilePath to Replication.
Valid values for Replication are 1 through 32767 (inclusive); or 0 to reset the file's replication factor back to the server default.