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https://issues.apache.org/jira/browse/CASSJAVA-92?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17945420#comment-17945420
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Stefan Miklosovic commented on CASSJAVA-92:
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What would happen when profile would _not_ be there? Then an operator sees "ah
these are local dc's connections can be made from", but without profile, they
do not know who is executing that / where that traffic originates from. When I
have a profile called "oltp", or "analytics", then I know that "there is some
analytics application connecting to these nodes". If profile name would not be
there, how an operator knows who is causing this? DC itself is not
"actionable". He can not go and blame anybody.
> 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
> 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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