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https://issues.apache.org/jira/browse/HADOOP-5670?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12854105#action_12854105
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Alex Newman commented on HADOOP-5670:
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Allen, A more concrete proposal would be great, I am just trying to understand
which part of the problem we are trying to solve. It's good to see people
putting some real elbow great in making hadoop more palatable to ops/system as
they are a very important stakeholder. I do think that requiring sysadmins to
understand the details of zk, just to do configuration stuff would be kindof a
show stopper for acceptance. Also having cluster and host wide information in
ldap definitely seems like a win in the portability department. The only real
worry is that we end up increasing the deployment complexity or develope things
in such a way that people have to deploy an array of ldap servers within each
cluster. Considering I have never worked at any large enterprise which uses
directory services besides notes or active directory, I think that this could
seriously be a burden if we do it wrong.
> Hadoop configurations should be read from a distributed system
> --------------------------------------------------------------
>
> Key: HADOOP-5670
> URL: https://issues.apache.org/jira/browse/HADOOP-5670
> Project: Hadoop Common
> 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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