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https://issues.apache.org/jira/browse/CASSANDRA-15469?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17024603#comment-17024603
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Dinesh Joshi commented on CASSANDRA-15469:
------------------------------------------

[~jrwest], we don't need to do anything very complex. I was looking through the 
code and noticed that changing the {{column_index_cache_size_in_kb}} will 
return different values if accessed through {{DatabaseDescriptor}} accessor 
methods. This changes an underlying assumption. I am fine with copying the 
value at object init and then keeping it around. That way objects that are 
maintaining a cache continue to do so. They don't need to necessarily dump it 
(or change the buffer size) if the operator changes the value to say {{0}}.

> IndexInfo/ColumnIndex Refactors & Cleanup
> -----------------------------------------
>
>                 Key: CASSANDRA-15469
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-15469
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Local/SSTable
>            Reporter: Jordan West
>            Assignee: Jordan West
>            Priority: Normal
>             Fix For: 4.0-beta
>
>
> Changes determined by audit of IndexInfo and ColumnIndex changes for 
> Cassandra 4.0 



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