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From "Zoran Dimitrijevic (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-13587) distcp.map.bandwidth.mb is overwritten even when -bandwidth flag isn't set
Date Wed, 07 Sep 2016 21:27:20 GMT
Zoran Dimitrijevic created HADOOP-13587:
-------------------------------------------

             Summary: distcp.map.bandwidth.mb is overwritten even when -bandwidth flag isn't
set
                 Key: HADOOP-13587
                 URL: https://issues.apache.org/jira/browse/HADOOP-13587
             Project: Hadoop Common
          Issue Type: Bug
          Components: tools/distcp
    Affects Versions: 3.0.0-alpha1
            Reporter: Zoran Dimitrijevic
            Priority: Minor


distcp.map.bandwidth.mb exists in distcp-defaults.xml config file, but it is not honored even
when it is . Current code always overwrites it with either default value (java const) or with
-bandwidth command line option.

The expected behavior (at least how I would expect it) is to honor the value set in distcp-defaults.xml
unless user explicitly specify -bandwidth command line flag. If there is no value set in .xml
file or as a command line flag, then the constant from java code should be used.

Additionally, I would expect that we also try to get values from distcp-site.xml, similar
to other hadoop systems.



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