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