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From "Geir Magnusson Jr." <>
Subject Re: newbie question #1
Date Sun, 28 Dec 2008 14:54:29 GMT

On Dec 28, 2008, at 9:36 AM, Paul Davis wrote:

> [snip]
>> I read the view docs (and have other questions there, like if the M/ 
>> R is
>> distributed across a cluster - I've used M/R w/ Hadoop, so I come  
>> w/ a set
>> of assumptions...)  and I saw that it doesn't *appear* that the key  
>> or id is
>> injected in the view doc, which of course brings up an obvious  
>> question :)
> The CouchDB implementation of Map/Reduce (specifically reduce) is a
> bit different the the canonical implementation. Mostly this is a
> result of being stored in a btree and Damien's cleverness.

Does the work get distributed across nodes, or does each node do the  
same thing?


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