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From Yuzhang Han <yuzhanghan1...@gmail.com>
Subject How to configure container capacity?
Date Fri, 31 May 2013 19:23:33 GMT
Hi,

Can anyone tell me how to configure the capacity of containers? Which
parameters should be set?

I use the following command with -Dmapreduce.map.memory.mb=512, but why is
the map container size always 1024?

$HADOOP_COMMON_HOME/bin/hadoop jar
$HADOOP_MAPRED_HOME/share/hadoop/mapreduce/hadoop-mapreduce-examples-2.0.4-alpha.jar
randomwriter -Dmapreduce.job.user.name=$USER
-Dmapreduce.randomwriter.bytespermap=10000 -Ddfs.block.size=536870912
-Dmapreduce.map.memory.mb=512 output

Thank you,
Andrew

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