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From "Eric Yang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7596) Enable jsvc to work with Hadoop RPM package
Date Sat, 03 Sep 2011 04:53:10 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7596?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13096580#comment-13096580
] 

Eric Yang commented on HADOOP-7596:
-----------------------------------

bq. So you end up with a similar structure as the deb side and less repetition.

The code is optimized for each linux distro.  There is a settle difference for "daemon --user
root" and "daemon " in Redhat.  In the second case, it does not run "runuser" for performance
reason.  In Debian case, it always runs start-stop-daemon regardless there is a user specified
or not.  Due to the performance difference, and generalization code are already in hadoop-daemon.sh.
 There is no need to put generalization code in vendor specific script.

> Enable jsvc to work with Hadoop RPM package
> -------------------------------------------
>
>                 Key: HADOOP-7596
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7596
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: build
>    Affects Versions: 0.20.204.0
>         Environment: Java 6, RedHat EL 5.6
>            Reporter: Eric Yang
>            Assignee: Eric Yang
>             Fix For: 0.20.205.0
>
>         Attachments: HADOOP-7596-2.patch, HADOOP-7596-3.patch, HADOOP-7596.patch
>
>
> For secure Hadoop 0.20.2xx cluster, datanode can only run with 32 bit jvm because Hadoop
only packages 32 bit jsvc.  The build process should download proper jsvc versions base on
the build architecture.  In addition, the shell script should be enhanced to locate hadoop
jar files in the proper location.

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