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https://issues.apache.org/jira/browse/KUDU-1535?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15530393#comment-15530393
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Jean-Daniel Cryans commented on KUDU-1535:
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I wrote up a scoping document for this feature, see:
https://docs.google.com/document/d/1NgmaWzTQR21usH42HikCfoAWRjjJpqnQ64zRW2s6Osc/edit?usp=sharing
> Add rack awareness
> ------------------
>
> Key: KUDU-1535
> URL: https://issues.apache.org/jira/browse/KUDU-1535
> Project: Kudu
> Issue Type: New Feature
> Components: master
> Reporter: Jean-Daniel Cryans
>
> Kudu currently doesn't have the concept of rack awareness, so any kind of
> rack failure can result in data loss (assuming that Kudu has tablet servers
> in multiple racks).
> This changes how the master picks hosts to send new tablets to, and we also
> need to implement a way for the master to map hostname names to racks (could
> be similar to Hadoop).
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