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From Vijay Thakorlal <vijayj...@hotmail.com>
Subject RE: How to set Rack Id of DataNodes?
Date Mon, 15 Apr 2013 12:50:11 GMT
Hi Mohammad,


Yes that's correct your "rack awareness" script takes the IP address of a
node and returns the rack name/id.

You then just have to ensure the script is executable and referenced (using
an absolute path) in the parameter topology.script.file.name in





From: Mohammad Mustaqeem [mailto:3m.mustaqeem@gmail.com] 
Sent: 15 April 2013 13:05
To: user@hadoop.apache.org
Subject: How to set Rack Id of DataNodes?


Hello everyone??

    I want to set the Rack Id of each DataNodes??

I have read somewhere that we have to write a script that gives Rack Id of

I want to clarify that the input of that script will be IP Address of
DataNode and the output will be the RackId..

Is it??



With regards ---

Mohammad Mustaqeem,

M.Tech (CSE)

MNNIT Allahabad



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