Mass-scale computing: Why Hadoop is hot but Java is not

With the massive amount of data proliferating the Web, companies such as Google and many others are building new technologies to sort it all. Core to that movement is something called MapReduce, a software technique that breaks down huge amounts of data into smaller bits. Operating on the smaller bits, and then piecing results together to form the big picture again has proven extremely successful.

[crenlif]

"So you’re down 30% to start with by implementing a Java Hadoop app on top of the Java-based Hadoop infrastructure. Now, you don’t have to write your app in Java; you can use C++ or even script languages. See for example, why the Hypertable project chose C++. But unfortunately, the choice of Jav