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https://issues.apache.org/jira/browse/CASSANDRA-15349?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16948380#comment-16948380
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Jorge Bay commented on CASSANDRA-15349:
---------------------------------------

Should we introduce this along a time window, between announcement and the 
actual close of the client connections?

Currently the drivers get the protocol event from a single control connection. 
We should give time from the event to propagate to the rest of nodes and from 
there to clients.

Otherwise, if the event is sent in close succession to the client connection 
tcp close, it won't be of much benefit.

> Add “Going away” message to the client protocol
> -----------------------------------------------
>
>                 Key: CASSANDRA-15349
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-15349
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Messaging/Client
>            Reporter: Alex Petrov
>            Priority: Normal
>              Labels: client-impacting
>
> Add “Going away” message that allows node to announce its shutdown and let 
> clients gracefully shutdown and not attempt further requests.



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