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https://issues.apache.org/jira/browse/CASSANDRA-3794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13275796#comment-13275796
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Pavel Yaskevich commented on CASSANDRA-3794:
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This got me thinking that if we change int to UUID it wouldn't actually change
the deal unless we generate UUID based on the CF attributes (so we can merge
simultaneously created CF on the different machines) but after we update
attributes again we would have to re-generate id. The question is - do we
really need ID for CF? We can guarantee uniqueness of CF in the given keyspace
by CF's name...
> Change ColumnFamily identifiers to be UUIDs instead of sequential Integers.
> ---------------------------------------------------------------------------
>
> Key: CASSANDRA-3794
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3794
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Pavel Yaskevich
> Assignee: Pavel Yaskevich
> Fix For: 1.1.1
>
>
> Change ColumnFamily identifiers to be UUIDs instead of sequential Integers.
> Would be useful in the situation when nodes simultaneously trying to create
> ColumnFamilies.
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