Thanks for the clarification. Yes I agree that there are many ways for
users to override *-site.xml regardless of what the hadoop scripts do. It
was more of a question of the interpretation of intent, and I got the
answer. Thanks!
Sangjin
On Wed, Sep 10, 2014 at 4:34 PM, Chris Nauroth
tl;dr
This was borne out of an investigation of a hadoop issue at our company. It
appears that prior to https://issues.apache.org/jira/browse/HADOOP-9450 the
hadoop configuration directory (HADOOP_CONF_DIR) was always the first entry
in the classpath, regardless of HADOOP_USER_CLASSPATH_FIRST or
On Sep 10, 2014, at 10:14 AM, Sangjin Lee sj...@apache.org wrote:
if HADOOP_USER_CLASSPATH_FIRST is
set and the user provides his/her version of *-site.xml through
HADOOP_CLASSPATH, the user would end up trumping the hadoop configuration.
And I believe this behavior is preserved after
I participated on the HADOOP-9450 code review. There was some debate about
the significance of keeping HADOOP_CONF_DIR first. Ultimately, there was
agreement that FIRST really ought to mean first. Apparently, other
Hadoop ecosystem projects have made the same interpretation and implemented
