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Posted to common-issues@hadoop.apache.org by "Robert Grandl (JIRA)" <ji...@apache.org> on 2012/07/18 05:32:36 UTC

[jira] [Created] (HADOOP-8604) conf/* files overwritten at Hadoop compilation

Robert Grandl created HADOOP-8604:
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             Summary: conf/* files overwritten at Hadoop compilation
                 Key: HADOOP-8604
                 URL: https://issues.apache.org/jira/browse/HADOOP-8604
             Project: Hadoop Common
          Issue Type: Bug
          Components: conf
    Affects Versions: 1.0.3
            Reporter: Robert Grandl
            Priority: Minor


Whenever I compile hadoop from terminal as:
ant compile jar run

all the conf/* files are overwritten. I am not sure if some of them should not be like that but at least hadoop-env.sh, mapred-site.ml, core-site.xml, hdfs-site.xml, masters, slaves should remains. Otherwise I am forced to backup and replace content again after compilation.


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[jira] [Commented] (HADOOP-8604) conf/* files overwritten at Hadoop compilation

Posted by "Jason Lowe (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/HADOOP-8604?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13419187#comment-13419187 ] 

Jason Lowe commented on HADOOP-8604:
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The conf/ directory within the Hadoop tree is intended to hold the sample/default configuration.  During development, custom configuration changes are not intended to be placed in that directory, as those changes will be overwritten during builds.  Usually custom configuration is placed in a separate directory, outside the Hadoop tree, and conveyed to Hadoop via the HADOOP_CONF_DIR environment variable.  You can also specify a config directory via the --config option to the hadoop front-end script.  With a separate config directory, your changes won't be overwritten during compilation.
                
> conf/* files overwritten at Hadoop compilation
> ----------------------------------------------
>
>                 Key: HADOOP-8604
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8604
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: conf
>    Affects Versions: 1.0.3
>            Reporter: Robert Grandl
>            Priority: Minor
>
> Whenever I compile hadoop from terminal as:
> ant compile jar run
> all the conf/* files are overwritten. I am not sure if some of them should not be like that but at least hadoop-env.sh, mapred-site.ml, core-site.xml, hdfs-site.xml, masters, slaves should remains. Otherwise I am forced to backup and replace content again after compilation.

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