[jira] [Commented] (CASSANDRA-14905) if SizeEstimatesRecorder misses a 'onDropTable' notification, the size_estimates table will never be cleared for that table.

["Aleksandr Sorokoumov (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-14905?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16736995#comment-16736995 ] 

Aleksandr Sorokoumov commented on CASSANDRA-14905:
--------------------------------------------------

Thanks for the review! It'll be great if both authors can get the credit. Otherwise please give it to Joel.

> if SizeEstimatesRecorder misses a 'onDropTable' notification, the size_estimates table will never be cleared for that table.
> ----------------------------------------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-14905
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-14905
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Observability/Metrics
>            Reporter: Aleksandr Sorokoumov
>            Assignee: Aleksandr Sorokoumov
>            Priority: Minor
>             Fix For: 3.0.x, 3.11.x, 4.0.x
>
>         Attachments: 14905-3.0-dtest.png, 14905-3.0-testall.png, 14905-3.11-dtest.png, 14905-3.11-testall.png, 14905-4.0-dtest.png, 14905-4.0-testall.png
>
>
> if a node is down when a keyspace/table is dropped, it will receive the schema notification before the size estimates listener is registered, so the entries for the dropped keyspace/table will never be cleaned from the table. 



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