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https://issues.apache.org/jira/browse/HADOOP-5670?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12699506#action_12699506
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Mahadev konar commented on HADOOP-5670:
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making a case for zookeeper :), to write a configuration layer on top of
zookeeper would be just 20-30 lines of code and we can handle around >20K
writes per second (with 3 servers, which I dont think would be necessary but
other apps also could use zookeeper) and >50K reads/sec. Also zookeeper has a
pretty strong HA story.
> 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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