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Posted to commits@cassandra.apache.org by "Sam Tunnicliffe (JIRA)" <ji...@apache.org> on 2016/03/18 12:18:33 UTC

[jira] [Created] (CASSANDRA-11382) Support modifications to schema tables in minor releases

Sam Tunnicliffe created CASSANDRA-11382:
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             Summary: Support modifications to schema tables in minor releases
                 Key: CASSANDRA-11382
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-11382
             Project: Cassandra
          Issue Type: Improvement
          Components: Distributed Metadata
            Reporter: Sam Tunnicliffe
             Fix For: 4.x


At the moment, any changes to the {{system_schema}} tables requires a major version bump to avoid schema disagreement problems and related failures during schema migrations. 

Recent examples where this has been problematic include CASSANDRA-11050 and CASSANDRA-8094, both of which require temporary {{TODO - remove this in 4.0}} type workarounds.

Diminishing the significance of major releases changes is a long term goal, so coming up with a general solution for this would be useful.




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