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MapReduce, mail # user - hadoop memory settings


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hadoop memory settings
Visioner Sadak 2012-10-05, 08:09
Is ther a relation between HADOOP_HEAPSIZE mapred.child.java.opts and
mapred.child.ulimit settings in hadoop-env.sh and mapred-site.xml i have a
sinngle machine with 2gb ram and running hadoop on psuedo distr mode my
HADOOP_HEAPSIZE is set to 256 wat shud i set mapred.child.java.opts and
mapred.child.ulimit and how these settings are calculated if my ram is
incresed or machine clusters are increased