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https://issues.apache.org/jira/browse/KUDU-1372?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16408887#comment-16408887
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Todd Lipcon commented on KUDU-1372:
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[~adar] you still think there's something we should do here, given the various
improvements over the last two years?
> Verify cluster-wide master and tserver connectivity
> ---------------------------------------------------
>
> Key: KUDU-1372
> URL: https://issues.apache.org/jira/browse/KUDU-1372
> Project: Kudu
> Issue Type: Improvement
> Components: ops-tooling, supportability
> Affects Versions: 0.7.1
> Reporter: Adar Dembo
> Priority: Major
>
> Kudu clusters need full-duplex connectivity inside of Raft configurations
> (masters or tservers), as well as between masters and tservers themselves. No
> doubt users will run into all sorts of issues with only partially configured
> firewalls.
> Let's do what we can to surface connectivity failures, be they inside of a
> Raft configuration or between a particular master and tserver. Metrics, log
> output, and web UI dashboards are all good places to surface these failures.
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