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Subject: Different ways of configuring the memory to the TaskTracker child
 process (Mapper and Reduce Tasks)
From: Praveen Sripati <praveensripati@gmail.com>
To: mapreduce-user@hadoop.apache.org
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Hi,

What is the difference between setting the mapred.job.map.memory.mb and
mapred.child.java.opts using -Xmx to control the maximum memory used by a
Mapper and Reduce task? Which one takes precedence?

Thanks,
Praveen

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<br>Hi,<br><br>What is the difference between setting the mapred.job.map.memory.mb and mapred.child.java.opts using -Xmx to control the maximum memory used by a Mapper and Reduce task? Which one takes precedence?<br><br>Thanks,<br>
Praveen<br>

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