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https://issues.apache.org/jira/browse/CASSANDRA-3598?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13166381#comment-13166381
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Vijay commented on CASSANDRA-3598:
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Thanks! and we do...
> Index Scan's will span across multiple DC's
> -------------------------------------------
>
> Key: CASSANDRA-3598
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3598
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 0.8.8
> Reporter: Vijay
> Assignee: Vijay
> Priority: Minor
> Fix For: 0.8.9, 1.0.6
>
> Attachments: 0001-super-simple-patch-3598.patch
>
>
> Looks like we send requests to all the nodes provided by
> StorageService.instance.getLiveNaturalEndpoints(keyspace, range.right);
> We dont filter it based on blockedFor (Consistency levels).
> In a multi DC setup this will cause unnecessary load on the other DC. And
> even within a DC we might query more nodes than needed.
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