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From "Marton Elek (Jira)" <j...@apache.org>
Subject [jira] [Created] (HDDS-2218) Use OZONE_CLASSPATH instead of HADOOP_CLASSPATH
Date Tue, 01 Oct 2019 13:39:00 GMT
Marton Elek created HDDS-2218:
---------------------------------

             Summary: Use OZONE_CLASSPATH instead of HADOOP_CLASSPATH
                 Key: HDDS-2218
                 URL: https://issues.apache.org/jira/browse/HDDS-2218
             Project: Hadoop Distributed Data Store
          Issue Type: Task
          Components: docker
            Reporter: Marton Elek


HADOOP_CLASSPATH is the standard way to add additional jar files to the classpath of the mapreduce/spark/..
.jobs. If something is added to the HADOOP_CLASSPATH, than it should be on the classpath of
the classic hadoop daemons.

But for the Ozone components we don't need any new jar files (cloud connectors, libraries).
I think it's more safe to separated HADOOP_CLASSPATH from OZONE_CLASSPATH. If something is
really need on the classpath for Ozone daemons the dedicated environment variable should be
used.

 

Most probably it can be fixed in

hadoop-hdds/common/src/main/bin/hadoop-functions.sh

And the hadoop-ozone/dev/src/main/compose files also should be checked (some of them contain
HADOOP_CLASSPATH



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