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https://issues.apache.org/jira/browse/CASSANDRA-3794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13194567#comment-13194567
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Peter Schuller commented on CASSANDRA-3794:
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Which I interpret as the cf id:s that are embedded in e.g. row mutations
(remember all those "invalid cfId..." cases upon schema changes). In general,
UUID:s should minimize the chances of accidentally applying something to the
wrong CF (which I suppose is a generalization of the simultaneous creation case
mentioned in the ticket description).
> 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
> Priority: Minor
> Fix For: 1.2
>
>
> 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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