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From Doug Cutting <cutt...@apache.org>
Subject Re: map tasks < reduce task
Date Thu, 09 Mar 2006 00:38:58 GMT
Stefan Groschupf wrote:
> It looks like  hadoop hangs for ever when there are less map tasks  than 
> reduce tasks.
> I had generate a nutch segment using a setup that configured 12 map  and 
> 6 reducers but fetched this segment with a setup running with 18  map 
> tasks and 9 reduces. (on 9 boxes),

That should work fine.

> Now hadoop hangs with reduce > copy > task_m_22fc8c@box09:50040.

That sounds like the same problem Michael Stack reported earlier today.

> Is that a known problem? Should I open a bug or there may something  
> other that froze my hadoop?

Sounds like a bug.


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