Allen Wittenauer created HADOOP-11393:
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Summary: Revert HADOOP_PREFIX, go back to HADOOP_HOME
Key: HADOOP-11393
URL: https://issues.apache.org/jira/browse/HADOOP-11393
Project: Hadoop Common
Issue Type: Improvement
Reporter: Allen Wittenauer
Today, Windows and parts of the Hadoop source code still use HADOOP_HOME. The
switch to HADOOP_PREFIX back in 0.21 or so didn't really accomplish what it was
intended to do and only helped confuse the situation.
_HOME is a much more standard suffix and is, in fact, used for everything in
Hadoop except for the top level project home. I think it would be beneficial
to use HADOOP_HOME in the shell code as the Official(tm) variable, still
honoring HADOOP_PREFIX if it is set.
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