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From "Eric Yang (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6255) Create an rpm integration project
Date Fri, 11 Feb 2011 19:48:57 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6255?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12993661#comment-12993661
] 

Eric Yang commented on HADOOP-6255:
-----------------------------------

- Yes, $PREFIX/var/lib/data-node is meant for HDFS storage.
- Yes, $PREFIX/var/lib/task-tracker is for MR spill space.
- The location are configurable by Hadoop Configuration.  The conf-pseudo rpm is design as
a single node deployment, which put data in /var/lib/hdfs/data-node, and /var/lib/mapred/task-tracker
respectively.
- Yes, other services get custom log dir in var/log.  Userlogs are stored as a subdirectory
as /var/log/hadoop/mapred/userlogs by the single node config rpm.  It is configurable by changing
the default hadoop-env.sh.
- Stuff in lib are usually meant for C libraries, hence Owen suggested to put jar files in
share.
- The default configuration goes to /usr/share/hadoop/conf and /etc/hadoop is symlink to conf.
- hadoop-env.sh is in /usr/share/hadoop/conf, and /etc/defaults/hadoop-env.sh is symlinked
to conf/hadoop-env.sh.

> Create an rpm integration project
> ---------------------------------
>
>                 Key: HADOOP-6255
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6255
>             Project: Hadoop Common
>          Issue Type: New Feature
>    Affects Versions: 0.20.100
>            Reporter: Owen O'Malley
>            Assignee: Eric Yang
>             Fix For: 0.20.100
>
>         Attachments: HADOOP-6255.patch, deployment.pdf
>
>
> We should be able to create RPMs for Hadoop releases.

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