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Saturday, July 14, 2018

How to configure Replication Factor in HDFS?

hdfs-site.xml is used to configure HDFS. Changing the dfs.replication property in hdfs-site.xml will change the default replication for all files placed in HDFS.
You can also modify the replication factor on a per-file basis using the
Hadoop FS Shell:[training@localhost ~]$ hadoopfs –setrep –w 3 /my/fileConversely,
you can also change the replication factor of all the files under a directory.
[training@localhost ~]$ hadoopfs –setrep –w 3 -R /my/dir
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