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Posted to mapreduce-user@hadoop.apache.org by Pedro Costa <ps...@gmail.com> on 2011/02/01 18:58:13 UTC

map Output packet in Reduce side

When the RT fetch a map output, the RT can save the map output in
memory or in disk.

1 - The map output packet is different when it's saved to memory, or
to disk? Does the header or the body of the saved map output packet
contains different fields?

2 - What are the fields of the packet?

Thanks,

-- 
Pedro