issue about set the memory for each container

[ch huang]

hi,maillist:
           i find each my container just use 200M heap space,how can i
resize it?

# ps -ef|grep -i yarnchild
yarn     24333  8210 99 14:09 ?        00:00:05
/usr/java/jdk1.7.0_25/bin/java -Djava.net.preferIPv4Stack=true
-Dhadoop.metrics.log.level=WARN -Xmx200m
-Djava.io.tmpdir=/data/mrlocal/1/yarn/local/usercache/hdfs/appcache/application_1385445543402_0006/container_1385445543402_0006_01_000017/tmp
-Dlog4j.configuration=container-log4j.properties
-Dyarn.app.mapreduce.container.log.dir=/data/mrlocal/2/yarn/logs/application_1385445543402_0006/container_1385445543402_0006_01_000017
-Dyarn.app.mapreduce.container.log.filesize=0 -Dhadoop.root.logger=INFO,CLA
org.apache.hadoop.mapred.YarnChild 192.168.10.224 59237
attempt_1385445543402_0006_m_000015_0 17