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Dinesh Joshi commented on CASSANDRA-14335:
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This will just give me the currently connected clients. When the client
connects and drops off we won’t have any idea of what protocol version it used.
So, my patch keeps a history of last N Clients and their protocol versions.
> C* nodetool should report the lowest of the highest CQL protocol version
> supported by all clients connecting to it
> ------------------------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-14335
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14335
> Project: Cassandra
> Issue Type: Bug
> Reporter: Dinesh Joshi
> Assignee: Dinesh Joshi
> Priority: Major
>
> While upgrading C*, it makes it hard to tell whether any client will be
> affected if C* is upgraded. C* should internally store the highest protocol
> version of all clients connecting to it. The lowest supported version will
> help determining if any client will be adversely affected by the upgrade.
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