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<div style="text-align: center; color: blue"><big
 style="font-weight: bold;"><big><big> 編譯 hadoop </big></big></big></div>
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= 0. environment =

|| || || ||
|| hadoop 安裝於 ||/opt || hadoop_home = /opt/hadoop ||
|| forrest 目錄||/opt/forrest-0.8 || [http://ftp.twaren.net/Unix/Web/apache/forrest/apache-forrest-0.8.tar.gz 下載]||
|| java 5 目錄||/usr/lib/jvm/java-1.5.0-sun || ||
|| java 6 目錄||/usr/lib/jvm/java-6-sun || ||

= 1. svn checkout =

{{{
$ cd /opt
$ sudo svn co http://svn.apache.org/repos/asf/hadoop/common/trunk
$ sudo mv trunk hadoop
$ sudo chown `$USER:$USER` hadoop
}}}

= 2. ant =