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https://issues.apache.org/jira/browse/CASSANDRA-18418?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marcus Eriksson updated CASSANDRA-18418:
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Change Category: Semantic
Complexity: Normal
Component/s: Transactional Cluster Metadata
Reviewers: Alex Petrov, Marcus Eriksson
Assignee: Sam Tunnicliffe
Status: Open (was: Triage Needed)
https://github.com/beobal/cassandra/commit/7570d9d2e64c4ac34a151d22f06e56d23e83d96d
> CEP-21 Dereference TableMetadata in simple partition builder
> ------------------------------------------------------------
>
> Key: CASSANDRA-18418
> URL: https://issues.apache.org/jira/browse/CASSANDRA-18418
> Project: Cassandra
> Issue Type: Task
> Components: Transactional Cluster Metadata
> Reporter: Marcus Eriksson
> Assignee: Sam Tunnicliffe
> Priority: Normal
>
> In some places we retain static {{TableMetadata}} instances and use them to
> construct a {{PartitionUpdate}}. For instance, TraceKeyspace contains
> Sessions & Events static members which are created at startup when the
> current epoch is Epoch.EMPTY. These are later used to construct mutations
> when tracing is enabled and when the mutations are serialised and sent
> between replica & coordinator the epoch comparisons in PartitionUpdate
> deserializer trigger an IncompatibleSchemaException. Ultimately we should not
> expose static {{TableMetadata}} instances in this way.
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