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From Stefan Groschupf ...@media-style.com>
Subject map tasks < reduce task
Date Thu, 09 Mar 2006 00:27:14 GMT
Hi developers,

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

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

Thanks for any hints
Stefan

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blog: http://www.find23.org
company: http://www.media-style.com



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