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https://issues.apache.org/jira/browse/CASSANDRA-1938?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12977806#action_12977806
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Sylvain Lebresne commented on CASSANDRA-1938:
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I'd have to look at CASSANDRA-1518 with more details, but for this ticket, I
intend to keep those node identifiers strictly local, they will not get
gossiped. So I expect that no, it won't beak on-disk ring persistence. I think
we may have to gossip them at some point however to deal with ever increasing
contexts, but I'm not yet completely clear on that and I don't think it's an
urgent matter.
> Use UUID as node identifiers in counters instead of IP addresses
> -----------------------------------------------------------------
>
> Key: CASSANDRA-1938
> URL: https://issues.apache.org/jira/browse/CASSANDRA-1938
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Sylvain Lebresne
> Assignee: Sylvain Lebresne
> Fix For: 0.8
>
> Original Estimate: 56h
> Remaining Estimate: 56h
>
> The use of IP addresses as node identifiers in the partition of a given
> counter is fragile. Changes of the node's IP addresses can result in data
> loss. This patch proposes to use UUIDs instead.
> NOTE: this breaks the on-disk file format (for counters)
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