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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6241) Script to split configurations from one file into multiple, according to templates.
Date Tue, 13 Oct 2009 21:33:31 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12765245#action_12765245
] 

Todd Lipcon commented on HADOOP-6241:
-------------------------------------

Couple small notes:
- ./bin/split_config.py shows nice usage information including the same invocation. split_config.py
--help lacks the __doc__ info which I found helpful. Can you convince OptionParser to print
that for all usage notices?
- In dist releases, the -default.xml files don't exist. If we expect this to be useful for
users and not just developers, it should be able to look inside the jars for the -default.xml
files. Since jars are just zips, you can probably do this pretty easily using the zipfile
module.

Aside from that, looks good. Sorry I didn't think about the -default thing on the first pass
through.

> Script to split configurations from one file into multiple, according to templates.
> -----------------------------------------------------------------------------------
>
>                 Key: HADOOP-6241
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6241
>             Project: Hadoop Common
>          Issue Type: New Feature
>            Reporter: Philip Zeyliger
>         Attachments: HADOOP-6241-v2.patch.txt, HADOOP-6241-v3.patch.txt, HADOOP-6241.patch.txt
>
>
> This script moves properties from hadoop-site.xml into common-site, mapred-site, and
hdfs-site in a reasonably generic way.  This is useful for upgrading clusters from 0.18 to
0.20 and 0.21.

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