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https://issues.apache.org/jira/browse/CASSANDRA-18419?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marcus Eriksson updated CASSANDRA-18419:
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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/e2f444af068e7f756d0bcc8b8ec820a18a0de248
> CEP-21 During multi step operations, defer token map update until completion
> of final step
> ------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-18419
> URL: https://issues.apache.org/jira/browse/CASSANDRA-18419
> Project: Cassandra
> Issue Type: Task
> Components: Transactional Cluster Metadata
> Reporter: Marcus Eriksson
> Assignee: Sam Tunnicliffe
> Priority: Normal
>
> Updating the token map, used by {{UniformRangePlacement}} to calculate
> placements, too early can cause stream plans to be calculated incorrectly.
> The eager update of the token map was intended to ensure that subsequent (and
> possibly concurrent) range movements would remain compatible with the
> operation's end state, but this is not necessary as the affected ranges are
> locked and intersecting operations are rejected.
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