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Posted to commits@cassandra.apache.org by "Marcus Eriksson (Jira)" <ji...@apache.org> on 2026/02/19 12:46:00 UTC

[jira] [Commented] (CASSANDRA-21174) Forbid nodes upgrading to a version which cannot read existing log entries

    [ https://issues.apache.org/jira/browse/CASSANDRA-21174?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18059656#comment-18059656 ] 

Marcus Eriksson commented on CASSANDRA-21174:
---------------------------------------------

+1 from me

> Forbid nodes upgrading to a version which cannot read existing log entries
> --------------------------------------------------------------------------
>
>                 Key: CASSANDRA-21174
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-21174
>             Project: Apache Cassandra
>          Issue Type: Improvement
>          Components: Transactional Cluster Metadata
>            Reporter: Aparna Naik
>            Assignee: Aparna Naik
>            Priority: Normal
>             Fix For: 6.x
>
>          Time Spent: 1h
>  Remaining Estimate: 0h
>
> It should not be possible for a node to join a cluster (either via bootstrap or by replacing an existing member), unless the minimum metadata serialization it supports is at least equal to the cluster's minCommonSerializationVersion. This is to prevent nodes being unable to read log entries or metadata snapshots when joining the cluster.



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