Hadoop version: Hadoop 2.2.0.2.0.6.0-0009 Well, We can do this by building Secondary Namenode, Checkpoint node or Backup node. Example: Assuming you have a Secondary Namenode. 1. Check secondary namenode checkpoint status: dfs.namenode.secondary.http…
1.Prepare Hadoop Streaming Hadoop streaming allows you to create and run Map/Reduce jobs with any executable or script as the mapper and/or the reducer. 1.1.Download Hadoop Streaming fit for your hadoop version For hadoop2.4.0, you can visit the foll…