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https://issues.apache.org/jira/browse/CASSJAVA-92?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17955700#comment-17955700
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Abe Ratnofsky commented on CASSJAVA-92:
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[~smiklosovic] - is there a link to the server side changes for this? I was
wondering whether you're planning to add a single new column for
DRIVER_LOCAL_DC, or nest it into a more flexible column for user-provided
driver config. We've found it useful to log even more client configuration
(connection pool options, socket options, retry and reconnection policy,
compression) for investigations.
> Add Local DC to driver connection info and provide visibility with nodetool
> clientstats
> ---------------------------------------------------------------------------------------
>
> Key: CASSJAVA-92
> URL: https://issues.apache.org/jira/browse/CASSJAVA-92
> Project: Apache Cassandra Java driver
> Issue Type: Improvement
> Components: Core
> Reporter: Brad Schoening
> Assignee: Lukasz Antoniak
> Priority: Normal
> Fix For: 4.19.1
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> When a client application connects to Cassandra using one of the drivers, it
> specifies a local DC now. If the server is aware of the local DC specified,
> this would be very useful to include in {_}nodetool clientstats{_}.
> We often have clusters running disaster recovery scenarios and they'll turn
> off NTR on a DC. But they do not always understand what DC's are being used
> as local DC if they have dozens of applications connecting from different
> teams. In a brown-out scenario, this would also be useful to identify the
> applications connecting to a degraded datacenter.
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