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https://issues.apache.org/jira/browse/HADOOP-6408?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon updated HADOOP-6408:
--------------------------------
Attachment: hadoop-6408.txt
This patch implements a servlet at /conf that dumps the configuration.
?format=xml and ?format=json are provided (xml is the default).
This also modifies the .writeXml() function of Configuration to include the
resource sources (when available) as xml comments. Eg:
{noformat}
<property>
<!--Loaded from core-default.xml-->
<name>fs.s3n.impl</name>
<value>org.apache.hadoop.fs.s3native.NativeS3FileSystem</value>
</property>
{noformat}
I did some slight refactoring there to make things more convenient.
I didn't do an HTML view of this data, since Firefox at least displays the XML
pretty readably. If others would find HTML useful, I'd like to do that in a
separate JIRA.
> Add a /conf servlet to dump running configuration
> -------------------------------------------------
>
> Key: HADOOP-6408
> URL: https://issues.apache.org/jira/browse/HADOOP-6408
> Project: Hadoop Common
> Issue Type: New Feature
> Affects Versions: 0.22.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Fix For: 0.22.0
>
> Attachments: hadoop-6408.txt
>
>
> HADOOP-6184 added a command line flag to dump the running configuration. It
> would be great for cluster troubleshooting to provide access to this as a
> servlet, preferably in both JSON and XML formats. But really, any format
> would be better than nothing. This should/could go into all of the daemons.
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