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From xiufeng liu <toxiuf...@gmail.com>
Subject question about Hadoop job conf
Date Mon, 17 Jan 2011 14:41:56 GMT

The following is the setting of mapred-site where I have set the *
mapred.child.java.opts* to *-Xmx512 -Xincgc*, and *fs.checkpoint.size* to *
268435456*.  But in the runtime setting job.xml, I found that it is still
using the default value *mapred.child.java.opts*= *-Xmx200, and the
instead of the values in mapred-site.xml ?  Could anybody advise? Thanks!


[xiliu@xiliu-fedora conf]$ cat mapred-site.xml
<?xml version="1.0"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>

<!-- Put site-specific property overrides in this file. -->

        <value>-Xmx51 -Xincgc</value>


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