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https://issues.apache.org/jira/browse/KUDU-2170?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Will Berkeley resolved KUDU-2170.
---------------------------------
Resolution: Fixed
Fix Version/s: 1.6.0
Fixed in c7fa4aaf704e4035843bc8fe20e5ecada2ed1acc
> Masters can start up with duplicate masters specified
> -----------------------------------------------------
>
> Key: KUDU-2170
> URL: https://issues.apache.org/jira/browse/KUDU-2170
> Project: Kudu
> Issue Type: Bug
> Components: master
> Reporter: Andrew Wong
> Assignee: Will Berkeley
> Fix For: 1.6.0
>
>
> In a multi-master deployment, when a master starts up, it contacts the other
> masters to gather UUIDs, but doesn't check whether there are any duplicates.
> This can lead to some scary-looking issues, like duplicate masters showing up
> in the web UI. It would be nice if this were disallowed.
> Also worth noting: having all unique entries in `master_addresses` doesn't
> necessarily imply they are all unique masters (e.g. some masters may be
> specified via DNS aliases).
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