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https://issues.apache.org/jira/browse/CASSANDRA-665?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12796307#action_12796307
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Kelvin Kakugawa commented on CASSANDRA-665:
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If you could keep version vectors in mind when you think about UUIDs, I'd
appreciate it.
Right now, I'm using the IP address as the node id. However, if a UUID -> IP
mapping is implemented, I'll use the UUID. So, if possible, I'd prefer the
UUID to be shorter than longer. Especially, since, it's not practical for the
cluster to be more than 300 nodes or so. (Unless the gossip implementation is
modified to be hierarchical.)
> 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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