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https://issues.apache.org/jira/browse/HADOOP-5670?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12699408#action_12699408
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Todd Lipcon commented on HADOOP-5670:
-------------------------------------
Another nice thing about this is that you can use DNS for a super-simple
HA/metaconfig system. Simply point all the hadoop nodes at
http://confmaster/config, then set up CNAME or A records on the local domain
network to the right machines. If one confmaster is down, it'll just pull from
another.
> Hadoop configurations should be read from a distributed system
> --------------------------------------------------------------
>
> Key: HADOOP-5670
> URL: https://issues.apache.org/jira/browse/HADOOP-5670
> Project: Hadoop Core
> Issue Type: New Feature
> Components: conf
> Reporter: Allen Wittenauer
>
> Rather than distributing the hadoop configuration files to every data node,
> compute node, etc, Hadoop should be able to read configuration information
> (dynamically!) from LDAP, ZooKeeper, whatever.
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