It is not a prerequisite. But you are looking at optimization of your Map Reduce jobs, Java provides that flexibility.
In my day job, I've just spent ...READ MORE
To start with Hadoop I would suggest ...READ MORE
ZooKeeper is a centralized service for maintaining ...READ MORE
Basically distributed cache allows you to cache ...READ MORE
Firstly you need to understand the concept ...READ MORE
put <localSrc> <dest>
copyF ...READ MORE
In your case there is no difference ...READ MORE
The distributed copy command, distcp, is a ...READ MORE
I would suggest you go through this ...READ MORE
The best possible framework for this task ...READ MORE
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