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https://issues.apache.org/jira/browse/CASSANDRA-8175?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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T Jake Luciani updated CASSANDRA-8175:
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Fix Version/s: (was: 2.1.2)
2.1.3
> Extend existing endpoint check to also check when restarting normally
> ---------------------------------------------------------------------
>
> Key: CASSANDRA-8175
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8175
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Brandon Williams
> Assignee: Brandon Williams
> Fix For: 2.1.3
>
>
> In CASSANDRA-5571 we added a check in shadow gossip to see if there was an
> existing node in gossip, but only if we bootstrap. The scenario I want to
> prevent here is similar, but slightly different. If someone restores a node
> to their development environment for whatever reason, they have a good chance
> of accidentally joining that node to the production cluster since it will
> know about the production cluster from the system table, and now this node
> will also have a higher generation than the existing one, causing a host id
> collision and knocking it out of the ring (except in its own view.) Instead
> what I'd like to do is always do a shadow gossip round at startup, and check
> for conflicting host ids. Obviously we'll want to bypass this for
> replacement.
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