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https://issues.apache.org/jira/browse/HADOOP-15774?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16621262#comment-16621262
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Íñigo Goiri commented on HADOOP-15774:
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I added a first draft for the design doc: [^Discovery Service.pdf].
Please take a look and let me know what things we should add/modify.
[~subru], [~giovanni.fumarola], as a heads up, this includes the mapping of
workers to subclusters.
You might be interested on that part.
> Discovery of HA servers
> -----------------------
>
> Key: HADOOP-15774
> URL: https://issues.apache.org/jira/browse/HADOOP-15774
> Project: Hadoop Common
> Issue Type: New Feature
> Reporter: Íñigo Goiri
> Priority: Major
> Attachments: Discovery Service.pdf
>
>
> Currently, Hadoop relies on configuration files to specify the servers.
> This requires maintaining these configuration files and propagating the
> changes.
> Hadoop should have a framework to provide discovery.
> For example, in HDFS, we could define the Namenodes in a shared location and
> the DNs would use the framework to find the Namenodes.
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