New to hadoop

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New to hadoop

by shwitzu :: Rate this Message:

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Hello,

I am new to hadoop. I have 4 databases with different files in each one of them. Say, images in one, video, documents etc. My task is to develop a web service which accepts the keyword from the client and it should come to HDFS and the output/ the file has to go back to the client.

I have the following questions:

1) How should I start with the design?
2)  Should I upload all the files and create Map, Reduce and Driver code and once I run my application will it automatically go the file system and get back the results to me?

Please let me know how I should proceed.

Thanks in anticipation.