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From "Owen O'Malley" <...@yahoo-inc.com>
Subject Re: Mapper Out of Memory
Date Fri, 07 Dec 2007 06:56:54 GMT

On Dec 6, 2007, at 12:30 PM, Rui Shi wrote:

> Does anyone know what is the reason and how should we avoid it?

Java 6 gives a little better information in the form of a stack  
trace. My patch HADOOP-2367 will also help after it is finished and  
committed.  It will allow you to get cpu and heap summaries from  
representative tasks.

-- Owen

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