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From Pedro Costa <psdc1...@gmail.com>
Subject Debug MR tasks impossible.
Date Thu, 29 Mar 2012 15:33:04 GMT

I'm trying to debug map and reduce tasks for a quite long time, and it
seems that it's impossible. MR are launched in new process and there's no
way to debug them. Even with IsolationRunner class it's impossible. This
isn't good because I really need to debug the class, to understand some
changes that I made to the code.

I wonder how MapReduce programmers could debug the code that they

Best regards,

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