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https://issues.apache.org/jira/browse/CASSANDRA-17292?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17489087#comment-17489087
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Benedict Elliott Smith commented on CASSANDRA-17292:
----------------------------------------------------

Though I think resource limits are helpful to colocate for independent reasons, 
and fundamentally are the main use of the config file for most users, I am by 
no means wed to this concept or structure - like I said, I originally pursued a 
feature style structure.

I am, however, fairly wed to the idea of API consistency - I think the kind of 
examples I gave of logically inconsistent groupings, and ambiguous or arbitrary 
terminology and groupings are bad, and perhaps worse than what we have today 
(or at least not strictly better). I think if we want to use these groupings, 
we need to give a lot more thought to the groupings to make them more 
consistent and obvious.

> Move cassandra.yaml toward a nested structure around major database concepts
> ----------------------------------------------------------------------------
>
>                 Key: CASSANDRA-17292
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-17292
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Local/Config
>            Reporter: Caleb Rackliffe
>            Assignee: Caleb Rackliffe
>            Priority: Normal
>             Fix For: 5.x
>
>
> Recent mailing list conversation (see "[DISCUSS] Nested YAML configs for new 
> features") has made it clear we will gravitate toward appropriately nested 
> structures for new parameters in {{cassandra.yaml}}, but from the scattered 
> conversation across a few Guardrails tickets (see CASSANDRA-17212 and 
> CASSANDRA-17148) and CASSANDRA-15234, there is also a general desire to 
> eventually extend this to the rest of {{cassandra.yaml}}. The benefits of 
> this change include those we gain by doing it for new features (single point 
> of interest for feature documentation, typed configuration objects, logical 
> grouping for additional parameters added over time, discoverability, etc.), 
> but one a larger scale.
> This may overlap with ongoing work, including the Guardrails epic. Ideally, 
> even a rough cut of a design here would allow that to move forward in a 
> timely and coherent manner (with less long-term refactoring pain).
> While these would have to be adjusted to CASSANDRA-15234 (probably after it 
> merges), there have been two proposals floated already for what this might 
> look like:
> From [~maedhroz] - 
> https://github.com/maedhroz/cassandra/commit/49e83c70eba3357978d1081ecf500bbbdee960d8
> From [~benedict] - 
> https://github.com/belliottsmith/cassandra/commits/CASSANDRA-15234-grouping-ideas



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