Best practice to copy data from clusters on different LAN

[#1]

What are the best practices around copying data between two clusters located in different datacenter on different LAN, the scope is to limit loops.

[#2]

Today client is using couple of staging/ftp servers but want to know if there are other practices, all the data is in HDFS.

[#3 · Accepted solution]

@mkataria

You can use Apache Falcon http://hortonworks.com/hadoop/falcon/

or see this https://community.hortonworks.com/articles/9933/apache-nifi-aka-hdf-data-flow-across-data-center.htm...