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Ekaterina Dimitrova edited comment on CASSANDRA-16378 at 2/11/22, 9:05 PM:
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Hey [~paulo], I see you mentioned as a second reviewer, do you still plan to
review it or should [~Bereng] (for example) steal it? :D (jokes aside, I can
also take it :) )
was (Author: e.dimitrova):
Hey [~paulo], I see you mentioned as a second reviewer, do you still plan to
review it or should [~Bereng] (for example) steal it? :D
> Expose application_name and application_version in virtual table
> system_views.clients
> -------------------------------------------------------------------------------------
>
> Key: CASSANDRA-16378
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16378
> Project: Cassandra
> Issue Type: Improvement
> Components: Feature/Virtual Tables
> Reporter: Tibor Repasi
> Assignee: Tibor Repasi
> Priority: Normal
> Labels: AdventCalendar2021, gsoc2021, lhf, mentor
> Time Spent: 40m
> Remaining Estimate: 0h
>
> Recent java-driver's
> [com.datastax.oss.driver.api.core.session.SessionBuilder|https://docs.datastax.com/en/drivers/java/4.9/com/datastax/oss/driver/api/core/session/SessionBuilder.html]
> respects properties
> [ApplicationName|https://docs.datastax.com/en/drivers/java/4.9/com/datastax/oss/driver/api/core/session/SessionBuilder.html#withApplicationName-java.lang.String-]
> and
> [ApplicationVersion|https://docs.datastax.com/en/drivers/java/4.9/com/datastax/oss/driver/api/core/session/SessionBuilder.html#withApplicationVersion-java.lang.String-].
> It would be helpful to exposed this information via virtual table
> {{system_views.clients}} and with {{nodetool clientstats}}.
> +Additional information for newcomers:+
> The drivers can send as part of the {{STARTUP MESSAGE}} the
> {{APPLICATION_NAME}} and {{APPLICATION_VERSION}} options. To new volatile
> fields {{applicationName}} and {{applicationVersion}} need to be added to
> {{ClientState}} in a similar way to {{driverName}} and {{driverVersion}}.
> The {{APPLICATION_NAME}} and {{APPLICATION_VERSION}} optionsneed to be
> retrieved in {{StartupMessage#execute}} and passed to the {{ClientState}}.
> The new {{application_name}} and {{application_version}} columns need to be
> added to the {{system_views.clients}} represented by the {{ClientsTable}}
> class. The data then need to be retrieved from the {{ClientState}} through
> {{ConnectedClient}}.
> Some unit tests similat to {{SettingsTableTest}} should be added.
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