Vasco,
Welcome to Hadoop!
You observations are all correct - in simplest case you launch all reduces up
front (we used to do that initially) and get a good 'pipeline' between maps,
shuffle (i.e. moving map-outputs to reduces) and the reduce itself.
However, one thing to remember is that kee
Hi,
I am new to the list, I am working with hadoop in the context of my
MSc graduation project (has nothing to do with task scheduling per
se). I came across task scheduling because I ran into the fifo
starvation bug (MAPREDUCE-4613). Now, I am running 2.1.0 branch where
the fifo starvation issue
See https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1184/
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