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From "Philip Zeyliger (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-6241) Script to split configurations from one file into multiple, according to templates.
Date Wed, 14 Oct 2009 18:31:31 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-6241?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Philip Zeyliger updated HADOOP-6241:
------------------------------------

    Attachment: HADOOP-6241-v4.patch.txt

bq. # ./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?

done

bq. 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.

Done.  Added another option to specify templates this way.

Also, here's how I've been testing this (still has to be run manually);
{noformat}
$PYTHONPATH=bin:$PYTHONPATH python src/test/bin/split_config_test.py
Could not find template file to place property 'notintemplates'.  Ignoring.
Writing out to <StringIO.StringIO instance at 0x244350>
Writing out to <StringIO.StringIO instance at 0x244378>
.
----------------------------------------------------------------------
Ran 1 test in 0.003s

OK
{noformat}


> 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-v4.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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