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CASSANDRA-20343 CASSANDRA-20344 CASSANDRA-20345 CASSANDRA-20346 #3909

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@krummas krummas commented Feb 18, 2025

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The Cassandra Jira

Marcus Eriksson added 4 commits February 18, 2025 09:25
On upgrade we might have a cluster with an old bad schema, for example containing
NTS with references to datacenters that no longer exist - these replication strategies
will not have any placements at all - handle that by allowing empty placements.
If there are recently assassinated or decommissioned nodes left in gossip on upgrade
we should not add them to the token map - instead register them to look like normal
LEFT nodes.
…there (incorrectly) and recalculate the placements
@krummas krummas requested a review from beobal February 18, 2025 10:18
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