Michaël Figuière created CASSANDRA-7951:
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Summary: Add a Keep Alive operation to the Native Protocol
Key: CASSANDRA-7951
URL: https://issues.apache.org/jira/browse/CASSANDRA-7951
Project: Cassandra
Issue Type: New Feature
Reporter: Michaël Figuière
Priority: Minor
Socket level keep-alive option doesn't seem to bring a strong enough guarantee
that the connection won't be dropped as some OS or Firewall level settings
might force some different behavior.
To simplify things and bring the strong guarantee on this point that users
expect, it would be interesting to add a {{NOOP}} or {{KEEPALIVE}}.
Note that we could also turn it into a {{HEARTBEAT}} operation that would
expect a response from the server to allow client to regularly probe for
Cassandra node health in situation where the queries traffic is too low to
bring this probing implicitly.
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