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https://issues.apache.org/jira/browse/CASSANDRA-7807?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14386543#comment-14386543
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Robert Stupp commented on CASSANDRA-7807:
-----------------------------------------
Sorry - meant {{QueryState.traceNextQuery}}
> Push notification when tracing completes for an operation
> ---------------------------------------------------------
>
> Key: CASSANDRA-7807
> URL: https://issues.apache.org/jira/browse/CASSANDRA-7807
> Project: Cassandra
> Issue Type: Sub-task
> Components: Core
> Reporter: Tyler Hobbs
> Assignee: Robert Stupp
> Priority: Minor
> Labels: client-impacting, protocolv4
> Fix For: 3.0
>
> Attachments: 7807-v2.txt, 7807-v3.txt, 7807-v4.txt, 7807.txt
>
>
> Tracing is an asynchronous operation, and drivers currently poll to determine
> when the trace is complete (in a loop with sleeps). Instead, the server
> could push a notification to the driver when the trace completes.
> I'm guessing that most of the work for this will be around pushing
> notifications to a single connection instead of all connections that have
> registered listeners for a particular event type.
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