@hadoop.apache.org
Subject: Policies for placing a reducer
Hi all,
What is the policy of choosing a node for a reducer in mapreduce (Hadoop
v1.2.0)?
For example,
If a cluster has 5 slaves, each slave can serve 2 maps and 2 reduces , there is
a job who occupies 5 mappers and 3 reducers , how does
Hi all,
What is the policy of choosing a node for a reducer in mapreduce (Hadoop
v1.2.0)?
For example,
If a cluster has 5 slaves, each slave can serve 2 maps and 2 reduces ,
there is a job who occupies 5 mappers and 3 reducers , how does the
jobtracker assign reducers to these nodes (choosing
