mapred.tasktracker.map.tasks.maximum
4
mapred.tasktracker.reduce.tasks.maximum
4
I am not clear the number of reuce slots in each Task tracker.Is it define
in the configuration?
rauljin
From: bejoy.hadoop
Date: 2013-04-17 13:09
8 datanode in my hadoop cluseter ,when running reduce job,there is only 2
datanode running the job .
I want to use the 8 datanode to run the reduce job,so I can balance the I/O
press.
Any ideas?
Thanks.
rauljin
datanode service ,and the service is ok.
what causes the problem.
Any ideas?
Thanks!
rauljin
your replying.
rauljin
