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https://issues.apache.org/jira/browse/CASSANDRA-665?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12796309#action_12796309
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Jonathan Ellis commented on CASSANDRA-665:
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So a node would add a UUID applicationState that it gossips, and if another
node sees that UUID coming from a different IP, it can replace the old IP with
the new one in TokenMetadata etc. (I think we want to keep using IP addresses
internally for e.g. MessagingService rather than doing an extra lookup on each
message send.)
> Persist token ring across cluster restarts
> ------------------------------------------
>
> Key: CASSANDRA-665
> URL: https://issues.apache.org/jira/browse/CASSANDRA-665
> Project: Cassandra
> Issue Type: New Feature
> Components: Core
> Reporter: Jonathan Ellis
> Priority: Minor
> Fix For: 0.9
>
>
> This prevents users from shooting their foot by shutting down a cluster, then
> restarting it with a subset of the former nodes.
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