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Posted to commits@cassandra.apache.org by "Marcus Eriksson (Jira)" <ji...@apache.org> on 2025/02/18 10:27:00 UTC

[jira] [Commented] (CASSANDRA-20343) Allow empty placements when deserializing cluster metadata

    [ https://issues.apache.org/jira/browse/CASSANDRA-20343?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17928013#comment-17928013 ] 

Marcus Eriksson commented on CASSANDRA-20343:
---------------------------------------------

PR & ci run includes CASSANDRA-20343 CASSANDRA-20344 CASSANDRA-20345 CASSANDRA-20346

> Allow empty placements when deserializing cluster metadata
> ----------------------------------------------------------
>
>                 Key: CASSANDRA-20343
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-20343
>             Project: Apache Cassandra
>          Issue Type: Bug
>          Components: Transactional Cluster Metadata
>            Reporter: Marcus Eriksson
>            Assignee: Marcus Eriksson
>            Priority: Normal
>         Attachments: ci_summary.html
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> 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.



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