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Commission and decomission nodes - exercise

I was going through the steps for this in Hadoop FAQ.pdf.

1. It has instructions only to decommission (on Google drive) - where are instructions for commissioning?
2. For decommission, I find this:
"Create a file named dfs.exclude and add the hostnames of machines that need to be decommissioned line by line.
Eg: dfs.exclude
hostname2 ..."

What node name will I decommission, given I have only a pseudo hadoop setup with one node? Any one else in the class who has done this - please clarify.


1 Answer(s)


hi LAxmi,

Please watch this video from our youtube channel. This video explains steps to install/commission and start Hadoop services.


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