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Posted to common-issues@hadoop.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2010/02/22 22:36:28 UTC

[jira] Commented: (HADOOP-6590) Add a username check in hadoop-daemon.sh

    [ https://issues.apache.org/jira/browse/HADOOP-6590?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12836914#action_12836914 ] 

Todd Lipcon commented on HADOOP-6590:
-------------------------------------

+1 to this idea - I've seen this problem a number of times for new users.

> Add a username check in hadoop-daemon.sh
> ----------------------------------------
>
>                 Key: HADOOP-6590
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6590
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Scott Chen
>            Assignee: Scott Chen
>            Priority: Minor
>
> We experienced a case that sometimes we accidentally started HDFS or MAPREDUCE with root user. Then the directory permission will be modified and we have to chown them. It will be nice if there can be a username checking in the hadoop-daemon.sh script so that we always start with the desired username.

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