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https://issues.apache.org/jira/browse/HADOOP-5670?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12833504#action_12833504
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Tomer Shiran commented on HADOOP-5670:
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Today, many users put the configuration files on an NFS server (e.g., NetApp)
and all daemons and clients read the configuration from there. I can see two
goals for this JIRA:
# Remove the external dependency. That is, allow people to deploy Hadoop
without an NFS server.
# Remove the single point of failure. The NFS server might not have HA, in
which case there is a single point of failure.
Are there other issues with the current NFS-based architecture? What are we
trying to solve here?
> 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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