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From Arun C Murthy <...@yahoo-inc.com>
Subject Re: how to debug hadoop
Date Wed, 15 Sep 2010 05:10:37 GMT


  Is there a specific area you are interested in? If so we can point  
you to relevant classes etc. In fact, as you understand them I'd  
encourage you to start documenting them to help others too.

  One way to start is to take up simpler jiras, in the beginning, and  
start fixing them:

  Also look at the 'Developer Documentation' section in the hadoop  
wiki: http://wiki.apache.org/hadoop/.
  This link might be useful http://wiki.apache.org/hadoop/HowToContribute 


On Sep 14, 2010, at 8:02 PM, xu cheng wrote:

> hello:
>  I've learn hadoop for some time, and I'm interesting in the  
> implementation
> of the mapreduce framework of the Hadoop project. I think reading the
> mapreduce framework source code would be a good way to do that and  
> debugging
> the system to see how everything works would make this progress  
> better.
>  however I have no experience debugging distributed system. and I  
> have no
> idea on how to debug the mapreduce framework source code. so could you
> please help me?
>  any suggestion or reference would be appreciated! ^_^ thanks

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