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https://issues.apache.org/jira/browse/CASSANDRA-19578?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Lohfink updated CASSANDRA-19578:
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Impacts: (was: None)
> Concurrent equivalent schema updates lead to unresolved disagreement
> --------------------------------------------------------------------
>
> Key: CASSANDRA-19578
> URL: https://issues.apache.org/jira/browse/CASSANDRA-19578
> Project: Cassandra
> Issue Type: Bug
> Components: Cluster/Schema
> Reporter: Chris Lohfink
> Priority: Normal
>
> As part of CASSANDRA-17819 a check for empty schema changes was added to the
> updateSchema. This only looks at the _logical_ schema difference of the
> schemas, but the changes made to the system_schema keyspace are the ones that
> actually are involved in the digest.
> If two nodes issue the same CREATE statement the difference from the
> keyspace.diff would be empty but the timestamps on the mutations would be
> different, leading to a pseudo schema disagreement which will never resolve
> until resetlocalschema or nodes being bounced.
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