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https://issues.apache.org/jira/browse/CASSANDRA-13156?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15847549#comment-15847549
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Sam Overton commented on CASSANDRA-13156:
-----------------------------------------

The decision is currently made in {{QueryState.traceNextQuery}} so there is 
currently nothing to override in the tracing implementation to change this 
behavior.

> Introduce an interface to tracing for determining whether a query should be 
> traced
> ----------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-13156
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13156
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Observability
>            Reporter: Sam Overton
>            Assignee: Sam Overton
>              Labels: ops
>
> This is a similar idea to CASSANDRA-9193 but following the same pattern that 
> we have for IAuthenticator, IEndpointSnitch, ConfigurationLoader et al. where 
> the intention is that useful default implementations are provided, but 
> abstracted in such a way that custom implementations can be written for 
> deployments where a specific type of functionality is required. This would 
> then allow solutions such as CASSANDRA-11012 without any specific support 
> needing to be written in Cassandra.



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