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https://issues.apache.org/jira/browse/CASSANDRA-17768?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17570937#comment-17570937
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Paulo Motta commented on CASSANDRA-17768:
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I think the original problem CASSANDRA-11841 was intended to solve is when
operators are using networks/firewalls they have little/no control of (ie.
cloud/vpn providers), and can't set recommended net.ipv4.tcp_keepalive*
settings. The idea is to have an app-layer keep-alive to ensure we don't depend
on network settings to keep long-lived cross-datacenter connections alive.
This is certainly a niche feature, but I don't know if it's still useful or not.
A few pointers to conextualize the use-case being addressed by that setting:
- CASSANDRA-12830
- [https://www.mail-archive.com/[email protected]/msg54529.html]
-
[https://docs.datastax.com/en/archived/cassandra/2.0/cassandra/troubleshooting/trblshootIdleFirewall.html]
> streaming_keep_alive_period is not used after [CASSANDRA-16927] CEP-10 Phase
> 1: Refactor Streaming
> --------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-17768
> URL: https://issues.apache.org/jira/browse/CASSANDRA-17768
> Project: Cassandra
> Issue Type: Bug
> Components: Legacy/Streaming and Messaging
> Reporter: Ekaterina Dimitrova
> Assignee: Aleksey Yeschenko
> Priority: Normal
> Fix For: 4.1-beta, 4.1.x, 4.x
>
>
> While working on another ticket I noticed that after [CASSANDRA-16927] CEP-10
> Phase 1: Refactor Streaming
> streaming_keep_alive_period is not used anymore, except to print it in error
> message
> [here|https://github.com/apache/cassandra/blob/cassandra-4.1/src/java/org/apache/cassandra/streaming/StreamSession.java#L689]
> If the property should not be used anymore, we need to deprecate it and fix
> the error message as it is misleading.
> [~benedict] , [~samt] , [~aleksey] , can you, please, check and take care of
> this one as authors of that patch?
> Thank you in advance!
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