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https://issues.apache.org/jira/browse/CASSANDRA-15254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17695926#comment-17695926
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Maxim Muzafarov commented on CASSANDRA-15254:
---------------------------------------------

[~dcapwell] 

Everything you mentioned is correct and all these points will be covered by PR. 
I would add one concern to this list to address - since we are going to have 
two different APIs working with the same set of properties, we need to ensure 
thread safety when changing a property and calling the property's corresponding 
listeners (subsystem listening for a property change must mutate its internal 
state safely).

> Allow UPDATE on settings virtual table to change running configurations
> -----------------------------------------------------------------------
>
>                 Key: CASSANDRA-15254
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-15254
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Feature/Virtual Tables
>            Reporter: Chris Lohfink
>            Assignee: Maxim Muzafarov
>            Priority: Normal
>         Attachments: Configuration Registry Diagram.png
>
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
> Allow using UPDATE on the system_views.settings virtual table to update 
> configs at runtime for the equivalent of the dispersed JMX 
> attributes/operations.



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