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https://issues.apache.org/jira/browse/HADOOP-5670?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12699788#action_12699788
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Allen Wittenauer commented on HADOOP-5670:
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#1 could be done no matter what the source. It just depends upon how smart the
plug in framework and the actual plug in is. For example, assuming an HTTP
plug in: it would just fetch two files and do the merge just like Hadoop
configures things today.
#2 should be done no matter what the source. The question is whether it should
be handled inside or outside the plug in.
The follow up to this bug is really: how do you build a registry of configs and
have the client smart enough to know which entry it needs to follow. So that
might need to be part of the design here. :) [For example, if I have a client
machine that needs to submit jobs to two different grids, how can it
automagically pull the proper configuration information for those two grids? ]
> 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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