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From "Zoran Dimitrijevic (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-13587) distcp.map.bandwidth.mb is overwritten even when -bandwidth flag isn't set
Date Wed, 07 Sep 2016 21:30:20 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-13587?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Zoran Dimitrijevic updated HADOOP-13587:
    Attachment: HADOOP-13587-01.patch

> 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
>         Attachments: HADOOP-13587-01.patch
>   Original Estimate: 24h
>  Remaining Estimate: 24h
> 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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