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From Allen Wittenauer <awittena...@linkedin.com>
Subject Re: Multicore Nodes
Date Mon, 13 Dec 2010 21:03:28 GMT

On Dec 11, 2010, at 3:09 AM, Rob Stewart wrote:
> Or - is there support in Hadoop for multi-core nodes? 

	Be aware that writing a job that is specifically uses multi-threaded tasks usually means
that a) you probably aren't really doing map/reduce anymore and b) the job will likely tickle
bugs in the system, as some APIs are more multi-thread safe than others.  (See HDFS-1526,
for example). 
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