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https://issues.apache.org/jira/browse/CASSANDRA-9237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14512526#comment-14512526
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Ariel Weisberg commented on CASSANDRA-9237:
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That will only address some of the head of line blocking scenarios. Lot's of
small messages on a low throughput connection will can still block gossip. Now
if a connection is that low throughput does it matter that gossip messages got
through? I don't know.
Right now I am leaning towards allowing all received network messages from a
cluster node to function as indication of liveness and reachability for failure
detector. This is something that is easy to implement since it just means
walking all the connections and checking the last received timestamp.
At that point Gossip heartbeats would just be for gossip and as a backup when
the cluster is idle.
> Gossip messages subject to head of line blocking by other intra-cluster
> traffic
> -------------------------------------------------------------------------------
>
> Key: CASSANDRA-9237
> URL: https://issues.apache.org/jira/browse/CASSANDRA-9237
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Ariel Weisberg
> Assignee: Ariel Weisberg
>
> Reported as an issue over less than perfect networks like VPNs between data
> centers.
> Gossip goes over the small message socket where small is 64k which isn't
> particularly small. This is done for performance to keep most traffic on one
> hot socket.
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